Features As a general-purpose engineering simulation software program, WELSIM contains tons of features those allow you to conduct various simulation studies.
Specification Specification Description Operaton system Microsoft Windows 10/11, 64-bit; Physical memory At least 4 GB, and 32 GB and higher is recommended Geometry modules Imported geometry formats: STEP, STL, GDS Supported automatic mesh Tet10, Tet4, Tri6, Tri3
CalculiX , Elmer FEM , FrontISTR , LAMMPS , MFEM , OpenRadioss , Palace , and SU2 . Structural Structural analysis Description Types Static, transient, and modal Materials Isotropic elastic, hyper-elastic, plastic, visco-elastic, and creep Deformation types Small, and finite Contact types bonded, frictionless, and frictional; small and finite sliding Boundary conditions constraints, displacement, force, pressure, velocity, acceleration Body conditions body force, acceleration, standard earth gravity, rotational velocity Results deformations, stresses, strains, velocity, acceleration Probe results reaction force (total, x, y, z)
Explicit Structural Dynamics (using OpenRadioss) Structural analysis Description Materials Isotropic elasto-plastic (Johnson-Cook, Zerillii-Armstrong, Gray, Cowper-Symonds, Yoshida-Uemori, Hensel-Spittel, voce), Isotropic linear elastic (Hooke's law, Johnson-Cook), hyper-elastic (Ogden, Neo-Hookean, Mooney–Rivlin), visco-elastic (Boltamann, Generalized Maxwell-Kelvin), creep, explosive (JWL), Rock (Drucker-Prager), Hill orthotropic, etc Equation of state Compaction, Gruneisen, ideal gas, linear, LSZK, Murnaghan, NASG, Noble, Polynomial, Puff, Sesame, Tillotson Failure models Alter, Biquad, Chang, Cockcroft, EMC, Energy, Fabric, forming limit diagram, Gurson, Hashin, Johnson, Ladeveze, Mullins effect with Ogden and Roxburgh criteria, NXT, orthotropic biquad, Puck, Spalling, Wierzbicki Element type Solid, shell Contact types Bonded, frictionless, and frictional; small and finite sliding Boundary, body and initial conditions** Constraints, displacement, force, pressure, velocity, acceleration, temperature, initial velocity, initial acceleration, etc. Results** Deformations, stresses, strains, velocity, acceleration, contact force, temperature, etc
Thermal (using FrontISTR) Thermal analysis Description Types Static, and transient Materials linear and nonlinear Initial conditions Initial temperature Boundary conditions Temperature, convection, radiation, heat flux, heat flow, perfectly insulated Body conditions Internal heat generation Results Temperature
Computational Fluid Dynamics (using SU2) Fluid analysis Description Types Steady-state, and transient Governing equation Incompressible and compressible Euler, Navier-Stokes, RANS Boundary conditions wall, inlet, outlet, pressure, velocity, temperature, convection, heat flux Results velocity, pressure, mass density, pressure coefficient, mach number, energy
Electromangetic (using Palace) Electromagnetic analysis Description Types Electrostatic, magnetostatic, eigenmode, driven, full-wave transient Materials linear Boundary conditions ground, voltage, symmetry, zero charge, surface charge density, electric displacement, insulting, magnetic vector potential, magnetic flux density Results voltage, electric field, electric displacement, magnetic vector potential, magnetic flux density, magnetic field, energy density
Molecular Dynamics (using LAMMPS) Molecular dynamics analysis Description Units Type LJ, Real, Metal, SI, CGS, Electron, Micro, Nano Atom Style Amoeba, Angle, Atomic, Body, Bond, Charge, Dielectric, Dipole, Electron, Ellipsoid, Full, Line, Molecular, Peridynamics, Sphere, Spin, Wavepacket, Hybrid Analysis type Static, frequency, buckle, green, modal dynamic, steady state dynamics, complex frequency, heat transfer Pair style Hybrid, Zero, Body, Born-Mayer-Huggins, Buckingham, Coulomb, Dissipative particle dynamics, Embedded atom method, Gaussian, Granular, Hydrogen bonding, Lennard-Jones, Hydrodynamic, lubrication forces, MEAM, N-M potential, Peridynamics, Spring Boundary, body, and initial conditions Force, wall, acceleration, temperature, velocity, gravity, pour particles, initial displacement
Need new features? Feel free to send questions, comments, requests, bug reports, and success stories. Asking for a new feature usually results in adding the request to our TODO list or, if it already is in the list, in assigning higher priority to it.