Parameter

Values

Description

AMLSNCPU

1, 2, 4
Default = no. of cpu’s
used by OptiStruct

This parameter is used to define the number of cpu’s to be used by the external AMLS eigenvalue solver. This parameter will set the environment variable OMP_NUM_THREADS.

The default value is the current value of OMP_NUM_THREADS. Note that this value can be set by the OptiStruct command line arguments –nproc or –ncpu.

OptiStruct and AMLS can be run with different allocations of processors. For example, OptiStruct can be run with 1 processor and AMLS with 4 processors in the same run.

Only valid when PARAM, AMLS is set to YES.