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Model of the universe – alternative to the Big Bang model
In cosmology, the steady-state model or steady-state theory was an alternative to the Big Bang theory. In the steady-state model, the density of matter
Steady-state_model
Branch of pharmacology
is started, steady state is reached after 3 to 5 times its half-life. In steady state and in linear pharmacokinetics, AUCτ=AUC∞. Models have been developed
Pharmacokinetics
Physical theory of the cosmos
models of high temperatures and densities in the distant past. By the late 1960s most cosmologists were convinced that competing steady-state model of
Big_Bang
State in which variables of a system are unchanging in time
In systems theory, a system or a process is in a steady state if the variables (called state variables) which define the behavior of the system or the
Steady_state
English astronomer (1915–2001)
Radio, though he later denied doing so in derision) in favour of a "steady-state model", and his promotion of panspermia as the origin of life on Earth.
Fred_Hoyle
other model was Fred Hoyle's steady-state model, in which new matter would be created as the galaxies moved away from each other. In this model, the universe
History of the Big Bang theory
History_of_the_Big_Bang_theory
Models of the universe which deviate from then-current scientific consensus
observation, the two most popular cosmological theories became the steady-state model of Fred Hoyle, Thomas Gold and Hermann Bondi, and the Big Bang theory
Non-standard_cosmology
German-born theoretical physicist (1879–1955)
considered a steady-state model of the expanding universe many years before Hoyle, Bondi and Gold. However, Einstein's steady-state model contained a fundamental
Albert_Einstein
Description of a system using mathematical concepts and language
nonlinearity. A dynamic model accounts for time-dependent changes in the state of the system, while a static (or steady-state) model calculates the system
Mathematical_model
Polyatomic ion (H3, charge +1)
approximate the path length of H+3 in these clouds, Oka used the steady-state model to determine the predicted number densities in diffuse and dense clouds
Trihydrogen_cation
Topics referred to by the same term
to: Steady-state model, a non-standard cosmological view developed in 1949 by Fred Hoyle and others as an alternative to the Big Bang theory. Steady state
Steady_state_(disambiguation)
Constant capital and population size
A steady-state economy is an economy made up of a constant stock of physical wealth (capital) and a constant population size. In effect, such an economy
Steady-state_economy
Comformal theory of gravity
Fred Hoyle and Jayant Narlikar that originally fits into the quasi steady state model of the universe. The gravitational constant G is arbitrary and is
Hoyle–Narlikar theory of gravity
Hoyle–Narlikar_theory_of_gravity
Equilibrium condition of an electrical circuit after transient effects have subsided
steady-state characteristics. Periodic steady-state solution is also a prerequisite for small signal dynamic modeling. Steady-state analysis is therefore an indispensable
Steady_state_(electronics)
Philosophical view that there is no correct way of perceiving the passage of time
Philosophical presentism Philosophy of space and time Problem of time Steady state Steady-state model Strata-cut animation Le Bihan, Baptiste (2020). "String theory
Eternalism (philosophy of time)
Eternalism_(philosophy_of_time)
Model-based representation of processes
simulate steady state processes. Steady-state models perform a mass and energy balance of a steady state process (a process in an equilibrium state) independent
Process_simulation
Austrian-British mathematician and cosmologist (1919–2005)
mathematician and cosmologist. He is best known for developing the steady state model of the universe with Fred Hoyle and Thomas Gold as an alternative
Hermann_Bondi
Mathematical estimate of planetary temperatures
arriving on the planet is leaving again at the same rate. In this steady-state model, the greenhouse gases cause the surface of the planet to be warmer
Idealized_greenhouse_model
Systematic endeavour to gain knowledge
the cosmic microwave background in 1964 led to a rejection of the steady-state model of the universe in favour of the Big Bang theory of Georges Lemaître
Science
Belgian scientist and Catholic priest (1894–1966)
life an opponent of such "Big Bang" theories, advocating instead a steady-state model of an eternal Universe. In 1948, theoreticians Ralph Alpher, Robert
Georges_Lemaître
Situation in which state variables of a chemical system are constant with time
In chemistry, a steady state is a situation in which all state variables are constant in spite of ongoing processes that strive to change them. For an
Steady_state_(chemistry)
Branch of physics that studies mathematical models of the universe
explanation was Fred Hoyle's steady state model in which new matter is created as the galaxies move away from each other. In this model, the universe is roughly
Physical_cosmology
When concentrations of molecules in a living cell or organ remain constant
In biochemistry, steady state refers to the maintenance of constant internal concentrations of molecules and ions in the cells and organs of living systems
Steady_state_(biochemistry)
English theoretical physicist (1942–2018)
prevailing theories of the creation of the universe: the Big Bang and Steady State theories. Inspired by Roger Penrose's theorem of a spacetime singularity
Stephen_Hawking
Control loop feedback mechanism
considers the cumulative sum of past errors to address any residual steady-state errors that persist over time, eliminating lingering discrepancies. Lastly
PID_controller
Former ice sheet in South America
Glasser; Stephan Harrison; Joanne Laura Wood; Alun Hubbard (2023). "A steady-state model reconstruction of the patagonian ice sheet during the last glacial
Patagonian_Ice_Sheet
Process during the early universe
cast doubt on the entire concept. The competing cosmological model, the steady state model, appearing in two 1948 publications by Fred Hoyle and by Herman
Big_Bang_nucleosynthesis
Computer model of climate change
emissions) the model did not attempt to measure the economic impact of climate change. A 1991 paper by Nordhaus developed a steady-state model of both the
DICE_model
Process of creating thru-holes using laser cutting methods
correspondingly larger droplets. Chan and Mazumder (1987) developed a 1-D steady state model to incorporate liquid expulsion consideration but the 1-D assumption
Laser_drilling
Variation on the Rankine thermodynamic cycle
leakages, etc. are implemented. ORC models can be subdivided into two main types: steady-state and dynamic. Steady-state models are required both for design
Organic_Rankine_cycle
Trace radiation from the early universe
Bang model the Standard Cosmological Model. The discovery of the CMB in the mid-1960s curtailed interest in alternatives such as the steady state theory
Cosmic_microwave_background
Growth model in economics
without technological change and thus they would eventually converge to a steady state, with zero per capita growth. A fundamental reason for this is the diminishing
AK_model
Severe test for safety and performance of hardware
M and Brekken, T.K.A. The author first discusses that a classical steady state model commonly used for simulation of electric hot water heaters can be
Hardware_stress_test
American physicist
big bang theory". The letter also states that plasma cosmology, the steady-state model and other alternative approaches can also explain the basic phenomena
Anthony_Peratt
Model of long-run economic growth
paradox; A mathematical implication of the model (assuming poor countries have not yet reached their steady state). Baumol attempted to verify this empirically
Solow–Swan_model
microwave background radiation. This supports the Big Bang model and rules out the steady-state model of Fred Hoyle and Jayant Narlikar. 1967 – John Archibald
Timeline of gravitational physics and relativity
Timeline_of_gravitational_physics_and_relativity
Rate of savings which maximizes steady state level of the growth of consumption
rate of savings which maximizes steady state level of the growth of consumption, as for example in the Solow–Swan model. Although the concept can be found
Golden_Rule_savings_rate
established loop quantum cosmology Hermann Bondi (1919–2005) developed the steady-state model Mustapha Ishak Boushaki (1967–) physicist researcher on cosmology
List_of_cosmologists
1945 British film
Triangle. The circular plot of Dead of Night inspired Fred Hoyle's steady state model of the universe, developed in 1948. After Hoyle, Hermann Bondi, and
Dead_of_Night
Term from geomorphology
A geomorphological system said to be in dynamic steady state has values that oscillate between maxima and minima around a central mean value. The flux
Dynamic_steady_state
Exactly solvable model of coupled oscillators
model can be solved exactly in the limit of infinite oscillators, N → ∞; alternatively, using self-consistency arguments, one may obtain steady-state
Kuramoto_model
Irish physicist
science, including the discovery that Albert Einstein once attempted a steady-state model of the expanding universe, many years before Fred Hoyle. O'Raifeartaigh
Cormac_O'Raifeartaigh
star masses. 1949–1964 Big Bang vs. steady-state, dispute between Fred Hoyle supporter of the steady-state model of the universe and George Gamow supporter
List_of_scientific_debates
American amateur astronomer
claimed the Big Bang model did not hold up to scrutiny, and instead advocated a non-standard cosmology; a “recycling” Steady State model of the universe,
John Dobson (amateur astronomer)
John_Dobson_(amateur_astronomer)
Glacial-formed geographic feature
that some form of the jökulhlaup hypothesis with features of the steady state model is correct. Subglacial meltwater flow is common to all theories; hence
Tunnel_valley
striking image meant to highlight the difference between that and the Steady-State model. 1961 – Robert Dicke argues that carbon-based life can only arise
Timeline of cosmological theories
Timeline_of_cosmological_theories
Comparison of a wide range of speeds
light ?" - the answer is NO for the steady state model, and YES for all three types (k = 0, −1, +1) of the big bang model Tamara M. Davis; Charles H. Lineweaver
Orders_of_magnitude_(speed)
Proposed electrodynamic levitation system
(August 2007). "Characteristics of an Electrodynamic Wheel Using a 2-D Steady-State Model". IEEE Transactions on Magnetics. 43 (8): 3395–3405. Bibcode:2007ITM
Electrodynamic_wheel
Star in the constellation of Corvus
instability between planets. Observations of the outer disk favors the steady state model, as an LHB-like instability would have resulted in a broader outer
Eta_Corvi
Class of ecological models
parameters and initial conditions, this model approaches a unique uninvadable steady state (i.e., a steady state in which the re-introduction of a species
Consumer-resource_model
Neoclassical economic model
the transition to the long-run steady state, and yields a Pareto efficient outcome. Ramsey originally formulated the model as a social planner’s problem—maximizing
Ramsey–Cass–Koopmans_model
Simplification of a physical system into a network of discrete components
only applicable when the circuit is in steady state. The third assumption is the basis of the lumped-element model used in network analysis. Less severe
Lumped-element_model
Class of constitutive equations for viscoelastic fluids
_{0}} is material viscosity at steady simple shear; D {\displaystyle \mathbf {D} } is the deformation rate tensor. The model can be derived either by applying
Upper-convected_Maxwell_model
American mathematician and astronomer (1871–1948)
1965, steady-state models of the universe have been rejected by most astronomers and physicists. The CMB is a prediction of the Big Bang model of an expanding
William_Duncan_MacMillan
Field of study
a plate tectonic regime compared to the quasi-steady state model. A flaw of viscoelastic-plastic models of exoplanet geodynamics is in order for plate
Geodynamics of terrestrial exoplanets
Geodynamics_of_terrestrial_exoplanets
biological or socio‑economic processes whose state variables vary continuously with time. Unlike steady state (equilibrium) analysis—where only the initial
Transient_modelling
Process of calculating the causal factors that produced a set of observations
different physical phenomena, the model parameters that describe the system, the physical quantity that describes the state of the physical system and observations
Inverse_problem
AI that generates content
growing steadily. The origins of algorithmically generated media can be traced to the development of the Markov chain, which has been used to model natural
Generative_AI
ESA satellite to map Earth's gravity field
The Gravity Field and Steady-State Ocean Circulation Explorer (GOCE) was the first of ESA's Living Planet Programme heavy satellites intended to map in
GOCE
Framework in macroeconomics
Uzawa two-sector neoclassical growth model, the two-sector OLG model may be characterized by multiple steady-state equilibria, and initial conditions may
Overlapping_generations_model
Economic model constructed by Peter Diamond
{\frac {de}{dt}}=0} . Hence there are two possible steady state in the simple version of the model. The "bad" outcome where nobody who finds a palm tree
Diamond_coconut_model
motors. Models developed can be broadly divided into two categories (1) mean-field/steady state model and (2) stochastic model. The mean-field model is useful
Transport by multiple-motor proteins
Transport_by_multiple-motor_proteins
Type of mathematical model used for infectious diseases
therefore, these factors are ignored in this model. The only steady state solution to the classic SIR model as defined by the differential equations above
Compartmental models (epidemiology)
Compartmental_models_(epidemiology)
deformation that the craters have experienced are consistent with a steady state model of Venus resurfacing. The craters are in a variety of stages of removal
Geodynamics_of_Venus
Revolver
States Iowa State Police[citation needed] West Virginia State Police South Dakota State Police Chrome finish Connecticut State Police Model 66 with 4 inch
Smith_&_Wesson_Model_19
Study of the universe
the Big Bang with dark matter and dark energy, known as the Lambda-CDM model. Theoretical astrophysicist David N. Spergel has described cosmology as
Cosmology
2015 racing video game
computers allows for the introduction of a dynamic tire model named "SETA", rather than the steady-state model based on lookup tables, as seen in previous generation
Project_CARS_(video_game)
Mechanisms and evolution of insect flight
providing enough lift to account for the deficiency in the quasi-steady-state models. This effect is used by canoeists in a sculling draw stroke. All
Insect_flight
is only weakened compared to the Romer model. In the Jones model, growth in steady state is given by: A ( t ) ^ ˙ A ( t ) ^ = 0 ⇔ A ( t ) ^ = λ ⋅ n 1
Jones_model
State of a system after conditions are changed, before it settles into steady state
Simulation State function Steady state Steady state economy Steady State theory Systems theory Thermodynamic equilibrium Transient modelling Transient
Transient_state
Brain responses phase-locked to periodic visual stimulation
In neurology and neuroscience research, the steady-state visually evoked potential (SSVEP) is an electrophysiological response that is phase-locked to
Steady state visually evoked potential
Steady_state_visually_evoked_potential
Mathematical study of waiting lines, or queues
stable recursion for the steady state vector in markov chains of m/g/1 type". Communications in Statistics. Stochastic Models. 4: 183–188. doi:10.1080/15326348808807077
Queueing_theory
Branch of astrophysics
cross-section of neutrino-baryon interactions. Consider building a steady state model of the fore-mentioned uniform sphere of density ρ 0 {\displaystyle
Stellar_dynamics
Physics theory
the topic until these issues have been resolved." Steady-state model Eternal inflation Cyclic model Zyga, Lisa (15 January 2015). "Black holes do not
Rainbow_gravity_theory
Vast, theoretical circumstellar disc
Russell (1988). "Cratering constraints on the inner Oort cloud: Steady-state models". Monthly Notices of the Royal Astronomical Society. 235: 1–32. Bibcode:1988MNRAS
Hills_cloud
building energy performance rating of buildings so the simple 1D steady state model of dynamic insulation is adequate for designing and assessing the
Dynamic_insulation
Queue model
queueing model". Stochastic Processes and Their Applications. 12 (3): 231–248. doi:10.1016/0304-4149(82)90046-1. Hokstad, Per (1979). "On the Steady-State Solution
M/G/k_queue
Model of electrical conduction
The Drude model or the Drude–Lorentz model of electrical conduction in metals was proposed in 1900 by Paul Drude, and refined by Hendrik Lorentz in 1905
Drude_model
Battery with solid electrodes and a solid electrolyte
A solid-state battery (SSB) is an electrical battery that uses a solid electrolyte to conduct ions between the electrodes, instead of the liquid or gel
Solid-state_battery
J. H. S.; Merwe, K. J. van der (1986). "METAMOD: software for steady-state modelling and control analysis of metabolic pathways on the BBC microcomputer"
List of systems biology modeling software
List_of_systems_biology_modeling_software
Single-track vehicle steering technique
The actual torque the rider must apply to the handlebars to maintain a steady-state turn is a complex function of bike geometry, mass distribution, rider
Countersteering
Magnitude of the shear stress that a soil can sustain
theoretical state at which the shear stress and density remain constant while the shear strain increases may be called the critical state, steady state, or residual
Shear_strength_(soil)
Response of a system to a change from an equilibrium state
response is the response of a system to a change from an equilibrium or a steady state. The transient response is not necessarily tied to abrupt events but
Transient_response
Database of biological reactions
provides models that are still not curated, are non-curatable (spatial models, steady-state models etc.), or too huge to be curated. Non-curated models can
BioModels
has a balance between steady chemical equations and steady diffusion equation which results in Steady Laminar Flamelet Models (SLFM). For this, an average
Laminar_flamelet_model
Economic model of endogenous growth
the model assumes that the rate of intertemporal preference is equal to the interest rate, the optimal growth rate coincides with the steady-state rate
Aghion–Howitt_model
Chemical process simulator by AspenTech
extensively in industry and academia for steady-state and dynamic simulation, process design, performance modeling, and optimization. HYSYS is a portmanteau
Aspen_HYSYS
Study of air pollutant transport from a roadway
the newly created roadway air dispersion models. The CALINE3 model is a steady-state Gaussian dispersion model designed to determine air pollution concentrations
Roadway air dispersion modeling
Roadway_air_dispersion_modeling
Examples of the probabilistic construct
all Markov processes have a steady state vector. In particular, the transition matrix must be regular. Otherwise, the state vectors will oscillate over
Examples_of_Markov_chains
Content creator collective in Florida
the house into a continuous production space. The group's stated goal is to maintain a steady flow of content to sustain engagement and promote their OnlyFans
Bop_House
Simultaneous growth and breakdown on opposite ends of a protein filament
(treadmilling) element. Treadmilling is inefficient, and for microtubules at steady state: the Wegner s-value1 (the reciprocal of the number of molecular events
Treadmilling
Mental illness with multiple personality states
rise of multidimensional models of psychopathology, and research on the disorder, although limited in several ways, has steadily emerged in the second decade
Dissociative identity disorder
Dissociative_identity_disorder
Hybrid video game console
release a new model in 2020, and the global chip shortage beginning in 2020 impacted console production regardless. Bloomberg continued to state Nintendo was
Nintendo_Switch
nonsinusoidal steady state. IEEE Transactions on Power Delivery, 19(3), 1368-1377. Semlyen, A., Lima, L., & Iravani, R. (2003). Harmonic domain periodic steady state
Reza_Iravani
Numerical analysis technique
(PDF). Mississippi State University, Interaction Notes. 44. A. Taflove; M. E. Brodwin (1975). "Numerical solution of steady-state electromagnetic scattering
Finite-difference time-domain method
Finite-difference_time-domain_method
American guitarist
work with Lifter Puller, Song of Zarathustra, and, most-notably, the Hold Steady. He previously worked with Brett Johnson, bass player for Atmosphere, in
Tad_Kubler
Four-stage model of physiological responses to sexual stimulation
The human sexual response cycle is a four-stage model of physiological responses to sexual stimulation, which, in order of their occurrence, are the excitement
Human_sexual_response_cycle
Scientific activity that produces models
is a way to implement the model, often employed when the model is too complex for the analytical solution. A steady-state simulation provides information
Scientific_modelling
Mathematical measure of transient behavior
mathematical modeling, resilience refers to the ability of a dynamical system to recover from perturbations and return to its original stable steady state. It
Resilience_(mathematics)
Mathematical model of biochemical pathways
identical to MCA and BST. A control coefficient measures the relative steady state change in a system variable, e.g. pathway flux (J) or metabolite concentration
Metabolic_control_analysis
STEADY STATE-MODEL
STEADY STATE-MODEL
Surname or Lastname
English
English : metonymic occupational name for a slater, from Middle English slate ‘slate’.
Surname or Lastname
English
English : nickname for a resolute person, from Middle English stedy ‘firm’, ‘steadfast’.
Surname or Lastname
English and Irish
English and Irish : variant of Stacey.
Boy/Male
Celebrity, Hindu, Indian, Telugu
State
Surname or Lastname
English (chiefly West Yorkshire)
English (chiefly West Yorkshire) : habitational name from Stead in West Yorkshire, or from some other place taking its name from Old English stede ‘estate’, ‘farm’, ‘place’.English (chiefly West Yorkshire) : from Middle English steed ‘stud horse’, ‘stallion’, applied as a nickname to a lusty person or as an occupational name to someone responsible for looking after stallions.
Male
English
Variant spelling of English unisex Stacey, STACY means "resurrection."
Surname or Lastname
English
English : variant of Stead.
Male
English
Pet form of English Thaddeus, THADY means "poet."
Boy/Male
Indian
Steady
Girl/Female
Muslim
Steady, Confident
Boy/Male
Hawaiian
Steady.
Surname or Lastname
English
English : unexplained.
Male
English
English surname transferred to unisex forename use, TATE means "cheerful."
Girl/Female
Muslim
Firm, Steady
Surname or Lastname
English
English : variant spelling of Shedd.Irish : reduced variant of Sheedy.
Boy/Male
Hebrew
Steady.
Surname or Lastname
English
English : possibly a hypercorrected form of Eady.
Boy/Male
Tamil
Steady
Boy/Male
Hawaiian
Steady.
Boy/Male
English
Steady
STEADY STATE-MODEL
STEADY STATE-MODEL
Boy/Male
Muslim
He was An authority on the history and geography of makkah
Girl/Female
Indian
Crowned with laurels
Boy/Male
Hindu
Lord of earth
Girl/Female
Indian
Wise, Clever
Boy/Male
Indian, Sanskrit
Ruler of Janaki
Boy/Male
Gujarati, Hindu, Indian, Jain, Kannada, Malayalam, Marathi, Oriya, Punjabi, Sikh, Telugu
Lord Brahma; Associated to Lord Vishnu; Victory of the Provider
Female
German
 Pet form of German Elsabeth, ELSA means "God is my oath."
Boy/Male
Muslim
Strength, Force, Occupation
Male
Spanish
Contracted form of Spanish Benedicto, BENITO means "blessed."Â
Boy/Male
Hindu, Indian
Lord Krishna
STEADY STATE-MODEL
STEADY STATE-MODEL
STEADY STATE-MODEL
STEADY STATE-MODEL
STEADY STATE-MODEL
n.
The state; the general body politic; the common-wealth; the general interest; state affairs.
adv.
In a steady manner.
n.
The quality or state of being steady.
n.
Estate, possession.
n.
Rank; condition; quality; as, the state of honor.
v. i.
To generate steam; as, the boiler steams well.
superl.
Moist with sweat; as, a sweaty skin; a sweaty garment.
n.
Constant in feeling, purpose, or pursuit; not fickle, changeable, or wavering; not easily moved or persuaded to alter a purpose; resolute; as, a man steady in his principles, in his purpose, or in the pursuit of an object.
v. t.
To cover with slate, or with a substance resembling slate; as, to slate a roof; to slate a globe.
imp. & p. p.
of State
n.
Regular; constant; undeviating; uniform; as, the steady course of the sun; a steady breeze of wind.
a.
Consisting of, or resembling, steam; full of steam; vaporous; misty.
a.
Belonging to the state, or body politic; public.
n.
A landing place or wharf.
n.
Any body of men united by profession, or constituting a community of a particular character; as, the civil and ecclesiastical states, or the lords spiritual and temporal and the commons, in Great Britain. Cf. Estate, n., 6.
n.
A stadium.
n.
Estate; state.
n.
The bodies that constitute the legislature of a country; as, the States-general of Holland.
v. i.
To become steady; to regain a steady position or state; to move steadily.
v. t.
To make steady; to hold or keep from shaking, reeling, or falling; to make or keep firm; to support; to make constant, regular, or resolute.