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gmane.comp.mathematics.abaqus.user |
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<20181104164323.514c1b33@raptor> |
Not all commands and options that can be specified in the inp-file can
be managed by CAE. The analysis manual should tell you whether this is
one of them.
Am 03 Nov 2018 23:11:51 +0000
schrieb "[email protected] [Abaqus]" <[email protected]>:
> Hi, I am a researcher who is a novice for ABAQUS/CAE.
> My purpose is to model horizontal non-linear spring in between base
> and concrete slab. So, first I modelled horizontal spring element in
> between the slab and soil base via ABAQUS/CAE and it appeared in the
> input file as below:
> ------------------------------------------------------------------------------------------------------------------
> *Spring, elset="Horizontal Spring-spring" 2 500.
> *Element, type=Spring1, elset="Horizontal Spring-spring"
> 33121, 2
> 33122, 3
> 33123, 5
> ---------------------------------------------------------------------------------------------------------------------
> And to modify it into nonlinear spring, I add nonlinear and
> dependencies command beside elset in "Spring line and add nonlinear
> relationship between force and relative displacement as follows:
> ------------------------------------------------------------------------------------------------------------------
> *Spring, elset="Horizontal Spring-spring", NONLINEAR, DEPENDENCIES=1
> 2 -6480000., -0.01 -3240000., -0.005
> 0., 0.
> 3240000., 0.005
> 6480000., 0.01
> *Element, type=Spring1, elset="Horizontal Spring-spring"
> 33121, 2
> 33122, 3
> 33123, 5
> ------------------------------------------------------------------------------------------------------------------
> However, when I tried to import the input file to ABAQUS/CAE 2017,
> it showed the error message as such: WARNING: The following
> keywords/parameters are not yet supported by the input file reader:
> ------------------------------------------------------------------------------------------------------------
> *PREPRINT *SPRING, DEPENDENCIES, NONLINEAR
> ------------------------------------------------------------------------------------------------------------
> And the imported model seemed without horizontal springs which are
> supposed to be nonlinear.
>
> I tried several ways but results looked same.
>
> Would you please let me know why Abaqus input file reader cannot
> read nonlinear command modified in the input file even though those
> commands are described in the manual? Or just my modification is
> wrong? Thank you, Hoonill
>
>