PALM2D: A nonlinear finite element program for the coupled thermomechanical response of solids in two dimensions

Technical Report · Mon Mar 26 04:00:00 EST 1990

OSTI ID:6229967

Engelmann, B E; Whirley, R G; Shapiro, A B

This manual describes the PALM2D analysis code. PALM2D solves for the coupled thermomechanical response of axisymmetric or plane strain solids, including nonlinear effects. This initial version of PALM2D borrows heavily from the LLNL codes TOPAZ2D for the solution of the thermal problem and NIKE2D for the solution of the mechanical problem. The thermal problem may include temperature dependent thermal conductivities and convection boundary conditions, and the mechanical problem may include large deformations and strains as well as material nonlinearities such as plasticity. Coupling is achieved through a staggered step formulation. Heat generation due to plastic work is included, and all heat transfer computations are done on the deformed geometry. PALM2D is a rapidly evolving code, and many enhancements are expected in the near future. 4 refs., 6 figs.

• Research Organization: Lawrence Livermore National Lab., CA (USA)
• Sponsoring Organization: DOE; USDOE, Washington, DC (USA)
• DOE Contract Number: W-7405-ENG-48
• OSTI ID: 6229967
• Report Number(s): UCID-21868; ON: DE91008423
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360000* -- Materials
99 GENERAL AND MISCELLANEOUS
990200 -- Mathematics & Computers
COMPUTER CODES
FINITE ELEMENT METHOD
FUNCTIONS
MECHANICAL PROPERTIES
NUMERICAL SOLUTION
P CODES
PHYSICAL PROPERTIES
PLASTICITY
RESPONSE FUNCTIONS
SOLIDS
TEMPERATURE DEPENDENCE
THERMODYNAMIC PROPERTIES