umat_documentation.pdf

节选段落一：
LUDCMP. and LUBKSB. in the main subroutine
UMAT. The relation of the flTst five with the main subroutine UMAT and function subprograms
are shown in Fig.1.


节选段落二：
time integration scheme
in Section 3.1, or the Newton-Rhapson iterative method in Section 3.4, require the modification of
main subroutine UMAT.
5.5 Founal of the input file for subroutine UMAT
It is recommended that users not change the structure of the input file for subroutine
UMAT, i.e. the structure


节选段落三：
I
- SLIPSYS -
I
UMAT .. GSLPINIT -
I
STRAINRATE -
I
I
..