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ANSYS: US-based and -developed full CAE software package: Ansys Inc. 2022 R2: 2022-07-28: Proprietary commercial software: Free student version available, up to 32,000 nodes/elements [9] Windows, Linux: COMSOL Multiphysics: COMSOL Multiphysics Finite Element Analysis Software (formerly FEMLAB) COMSOL Inc. 6.1: 2022-11-01: Proprietary EULA
Ansys, Inc. is an American multinational company with its headquarters based in Canonsburg, Pennsylvania. It develops and markets CAE / multiphysics engineering simulation software for product design, testing and operation and offers its products and services to customers worldwide.
Menter's Shear Stress Transport turbulence model, or SST, is a widely used and robust two-equation eddy-viscosity turbulence model used in Computational Fluid Dynamics.The model combines the k-omega turbulence model and K-epsilon turbulence model such that the k-omega is used in the inner region of the boundary layer and switches to the k-epsilon in the free shear flow.
LS-DYNA originated from the 3D FEA program DYNA3D, developed by Dr. John O. Hallquist at Lawrence Livermore National Laboratory (LLNL) in 1976. [4] DYNA3D was created in order to simulate the impact of the Full Fuzing Option (FUFO) or "Dial-a-yield" nuclear bomb for low altitude release (impact velocity of ~ 40 m/s).
With the decreased cost and increased capabilities of computers, Nuclear Engineering has implemented computer software (Computer code to Mathematical model) into all facets of this field.
It can also generate input data for the commercial FEM programs Nastran, Ansys and Abaqus. [4] The pre-processor can also generate mesh data from STL files. [5] There is an active online community that provides support at Discourse. [6] Convergent Mechanical also provides installation support for their extended version of CalculiX for Windows. [3]
Tecplot 360 is a Computational Fluid Dynamics (CFD) and numerical simulation software package used in post-processing simulation results. [1] [2] [3] Tecplot 360 is also used in chemistry applications to visualize molecule structure by post-processing charge density data.
As can be seen from above formulas that the mass fraction and temperature are dependent on 1. Mixture fraction Z. 2. Scalar dissipation χ. 3. Time Many times we neglect the unsteady terms in above equation and assume the local flame structure having a balance between steady chemical equations and steady diffusion equation which result in Steady Laminar Flamelet Models (SLFM).