Process in FEA Software
Process in FEA Software
Process in FEA Software
Physical Problem
Post-processing
Typical Result • CATIA-SPM
• PATRAN
FEA Software
Pre-Processing
Import/create geometry
Create finite element mesh
Apply boundary condition MSC.Nastran
Apply loads
Create material properties Solver
Create element properties
Submit model to solver Solve for displacements
Compute strains
Post-Processing Compute stresses
Deformation plots
Stress fringe plots
Reports
PATRAN-NASTRAN WORKFLOW AND FILES
MSC.Patran
Pre-Processing MSC.Nastran
.bdf
- Import/create geometry Solver
- Create finite element mesh
- Apply boundary condition
- Apply loads [ K ] {u} = {F}
- Create material properties
- Create element properties
- Submit model to solver - Solve for u
- Compute strain
Post-Processing .xdb - Compute stress
- Deformation plots .op2
- Stress fringe plots
- Reports
.f04
.db .f06
.ses .log
.db.jou
BASIC MSC.PATRAN FILES
9.807
1 m N Pa kg kg/m3 m N Pa
m/sec2
t/mm3 or 9.807
2 mm N Mpa t or Mg mm N Mpa
Mg/mm3 m/sec2
32.17
3 ft lbf psf slug slug/ft3 ft lbf psf
ft/sec2
386.1
4 Input lbf psi lbf.s2/in lbf.s2/in4 in lbf psi
in/sec2