I am trying to use iso-geometric elements in LS-Dyna with the keyword *ELEMENT_NURBS_SHELL_PATCH. The job manager terminates without mentioning where the errors are.
Can someone help me with this? A sample .k file using the above keyword will be helpful.
Certain keywords must be used in conjunction with other keywords; forexample, the *ELASTIC and *DENSITY keywords must be used in conjunction with the *MATERIAL keyword. These related keywords must be grouped in a block in the input file; unrelated keywords cannot be specified within this block.
I am implementing a constitutive relation in UMAT subroutine using the commercial software Abaqus. First, I tested the UMAT subroutine with 'one element model' first. Then I tested with comparatively bigger geometry. It worked fine. Now when I am trying to do a models involving contact, i.e. use of the 'Interaction module'. I am getting error of over-constraint warning for 'Split Tension test of concrete cylinder'. The same input file (except the material definition) is running on Abaqus perfectly with Mohr-Coulomb criteria. I can see a reasonable stress and strain contour.
The new version of the code presents an improved and more intuitive
management of the subroutine and an easier use of Job monitor dialogue.
Enjoy it http://www.nosaitaca.it/software/
The improved version of NOSA-ITACA is now available at www.nosaitaca.it/software/. A more friendly monitor analysis has been implemented. Bugs related to card creation are now fixed. At www.nosaitaca.it/software/ you can find also some tutorials that will guide you through the use of the code. Enjoy !
I am facing a very strange phenomenon in Abaqus 2019. Setting up a transient consolidation analysis, and despite converging and showing job as complete, no output is written to the job at all. Needless to say, I am requesting standard field output every n=1 steps and the analysis is 10 increments or so. It's quite frustrating to see your mesh disappear when you expect to see nice colors. If this ever happened to you please do share how you went about it.
The last tutorial (Tutorial4) about a non linear static analysis of a masonry church performed by the NOSA-ITACA code, is now available at http://www.nosaitaca.it/software/. We perform the analysis supposing the structure made of two masonry-like materials with zero tensile strength and bounded compressive strength and a linear elastic material.
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NOSA-ITACA is a software product of the Mechanics of Materials and Structures Laboratory of ISTI-CNR, distributed via the http://www.nosaitaca.it/software/ website.
The package includes SALOME v8.3.0, and is available for Ubuntu 14.04 and 16.04.
NOSA-ITACA enables you to conduct both linear and nonlinear static analyses and modal analyses.
NOSA-ITACA can be used to study the static behavior of masonry buildings of historic and architectural interest and model the effectiveness of strengthening operations.
We are pleased to announce the release of the Synopsys Simpleware ScanIP Medical edition. This exciting new version of Simpleware ScanIP comes with FDA 510(k) clearance, and CE and ISO 13485:2016 certification as a medical device.
Simpleware ScanIP Medical is the ideal choice for those working with 3D imaging to create medical devices for pre-clinical workflows such as implant design and patient-specific planning.
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