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ADINA 9.1.3. has been released.

These Useful Hints and Issues, while reported for the specific version 9.1.2, are usually also applicable to the ADINA versions 9.1.1 and 9.1.0.

Useful Hints and Issues
Regarding the Use of the ADINA System, v. 9.1.2

Issue No. 28, posted December 9, 2015

ADINA crashes when the 6DOF spring element is used with a skew system.

There is no workaround. This bug is fixed in v 9.1.3.

Issue No. 27, posted December 9, 2015

If a convection load with multiple time functions is used in ADINA Thermal (or ADINA Thermal with thermo-mechanical coupling), the program stops with an error.

There is no workaround. This bug is fixed in v 9.1.3.

Issue No. 26, posted December 9, 2015

If an element birth time is exactly the same as a solution time, the element is not born stress free. However, it should be noted that the ADINA Theory and Modeling Guide indicates that the birth time should not be aligned with solution times (it should be t + ε).

There is no workaround.  To avoid this problem, this issue is corrected in v 9.1.3 in which birth times can be aligned with solution times.

Issue No. 25, posted December 9, 2015

In ADINA Structures, under the following conditions:

  1. The plastic-multilinear material is defined with a stress-strain curve entered using a separate SCURVE table, and
  2. The MASTER CONVERT-SSVAL=YES feature is used to convert the stress-strain curve from engineering to true values
the results are incorrect, because the transformation of the stress-strain curve from engineering to true values is applied twice to the input data.

As a workaround, enter the stress-strain curve into the data input lines of the MATERIAL PLASTIC-MULTILINEAR table (and do not use a separate SCURVE table). This bug is fixed in v 9.1.3.

Issue No. 24, posted November 2, 2015

When a mapped mesh is applied to a face of an ADINA-M body, if any edge of the face is coincident with an existing AUI geometry line, an internal error occurs.

As a workaround, delete the line before applying the mapped mesh to the face.  This bug is fixed in v 9.1.3.

Issue No. 23, posted November 2, 2015

This issue affects user-coded material models in which the material model is rate-dependent, so that the solution time and the time step are used as part of the stress integration procedure.

For these material models, the results are incorrect when the time step changes during the solution. This is because the wrong solution time and time step are passed to the user-coded subroutines for those equilibrium iterations in which the flag IUPDTL is equal to 0.

As a workaround, do not change the time step size during the solution.  This bug will be fixed in v 9.1.4.

Issue No. 22, posted October 7, 2015

The bolt option, when used with 3D element groups, will result in a segmentation fault if the bolt's element group contains both 27-node hexahedral elements and 11-node tetrahedral elements.

The workaround is to use either an all-hex or all-tet mesh for the bolt's element group.  This bug is fixed in v 9.1.3.

Issue No. 21, posted October 7, 2015

When an IGES file is loaded to the AUI, if the model is transformed from the XY to the YZ plane, some of the points may not be created because the tolerance for point coincidence checking is wrong.

There is no workaround.  This bug is fixed in v 9.1.3.

Issue No. 20, posted October 7, 2015

Incorrect strains and stresses are output for the 3D plane stress element when used with large displacements and incompatible modes.  The other results (for example, the nodal displacements) are correct.

As a workaround, do not use incompatible modes.  This bug is fixed in v 9.1.3.

Issue No. 19, posted October 7, 2015

Sometimes the mesh plot disappears when unzooming after using the Query icon (X Window or GDI graphics).

As a workaround, use OpenGL graphics.  This bug is fixed in v 9.1.3.

Issue No. 18, posted October 7, 2015

When attempting to run an analysis in which element initial strains are defined for a 3D-shell element group (using EGROUP SHELL SHELLTYPE=3DSHELL INITIALSTRAIN=ELEMENT), ADINA exits with error A2043 stating that the node rank is out of range.

There is no workaround.  This bug is fixed in v 9.1.3.



Useful Hints and Issues
Regarding the Use of the ADINA System, v. 9.1.1

Issue No. 17, posted September 29, 2015

When a body is converted into a volume, if arc lines are created, the volume could be incorrect due to a tolerance issue.

There is no workaround.  This bug is fixed in v 9.1.2.


Issue No. 16, posted September 29, 2015

When the analysis switch command is used to switch from low speed dynamics with the Bathe method to explicit time integration when there is no convergence, the program does not switch the time integration method. The program continues with the low speed dynamics option instead.

There is no workaround.  This bug is fixed in v 9.1.2.


Issue No. 15, posted September 29, 2015

When plotting the material axis directions for multilayer shell elements, in which some of the shell layers are made of orthotropic materials, the plotted axis directions might be wrong when the first layer is an isotropic material.

The actual axis directions used in the solution process are correct, only the plotted directions are wrong.

There is no workaround.  This bug is fixed in v 9.1.2.


Issue No. 14, posted August 27, 2015

When a body has points connected to two faces only, boundary layer meshing (command GBODY with BLTABLE) may fail to produce a mesh.

There is no workaround. An intermediate fix is provided in v. 9.1.2 by turning off normal smoothing. The fix with normal smoothing is planned for v. 9.2.


Issue No. 13, posted August 27, 2015

When the Analysis Switch feature is used to switch to explicit analysis in a model containing 2-D contact with friction, the program stops with a message that friction is not allowed in explicit time integration. Note that 3-D contact with friction works fine with the same solution options.

There is no workaround. This bug is fixed in v. 9.1.2.


Issue No. 12, posted August 27, 2015

The ADINA program might crash if mesh gluing with the birth/death option is used with temperature degrees of freedom.

There is no workaround — do not use the birth/death option in thermal gluing. This bug is fixed in v. 9.1.2.


Issue No. 11, posted August 27, 2015

Plots of skew systems for cyclic parts are incorrect. The plotted skew systems are not rotated into the coordinate systems of the cyclic parts.

As a workaround, only plot the skew systems on cyclic part 1. This bug is fixed in v. 9.1.2.


Issue No. 10, posted August 27, 2015

In the AUI, the storage of boundary cells (bcells) in zones is incorrect.  As a consequence, defining a box zone with bcells might give the following internal error message:

Internal Error: PGVEGA: Incorrect stack size       

As a workaround, do not include bcells in zones. This bug is fixed in v. 9.1.2.


Issue No. 9, posted August 26, 2015

A geometry face cannot be selected by clicking on the coordinate symbol associated with the face.

As a workaround, click on the number of the geometry face. This bug is fixed in v. 9.1.2.



Useful Hints and Issues
Regarding the Use of the ADINA System, v. 9.1.0

Issue No. 8, posted August 17, 2015

When the 3D-iterative solver is used with the birth option in contact groups, the program stops with an internal solver error message.

As a workaround, use the sparse solver when the birth option is used in contact groups. This bug is fixed in v. 9.1.1.

Issue No. 7, posted August 17, 2015

The ADINA porthole file cannot be loaded when the following combination of options is employed:

1) Fracture mechanics, using any of the fracture mechanics calculation methods, and,
2) Bolt loading, using any of the bolt elements.

The AUI gives a message similar to the following:

***ALERT: ADINA porthole file mismatch, expected record 'OUTFRVCE'
         found record 'NEW STEP'        

There is no workaround. This bug is fixed in v. 9.1.1.

Issue No. 6, posted August 17, 2015

When 2-D and 3-D solid elements are used in explicit analysis with element groups divided into subgroups, and the ADINA solver is run on a multi-processor machine, the element strain energy results are not correct at certain time steps. However, the total energy results are still correct.

As a workaround, use undivided element groups, or specify a single processor, or use implicit analysis. This bug is fixed in v. 9.1.1.

Issue No. 5, posted July 2, 2015

The Bathe method for heat flow solutions does not work for iterative and one-way coupling of heat flow with structures if contact conditions are present in a model.

As a workaround, use the Backward-Euler method. This bug is fixed in v. 9.1.1.

Issue No. 4, posted July 2, 2015

If element birth and death is used in explicit solutions, the solution results might be incorrect after the death time for 2-D and 3-D solid elements.

There is no workaround. This bug is fixed in v. 9.1.1.

Issue No. 3, posted July 2, 2015

An internal error occurs when the 3D-Iterative solver is used with higher order elements in which the mesh contains 10-node tetrahedral elements connected to 27-node brick elements, and skew systems are used on the incompatibly meshed part. This bug is found in versions 8.9, 9.0 and 9.1.

There is no workaround. This bug is fixed in v. 9.1.1.

Issue No. 2, posted July 2, 2015

For TFSI full coupling solutions (option thermal-fsi=standard), if wedge elements of the solid model are attached to the FSI boundaries, the solution results might be incorrect.

There is no workaround. This bug is fixed in v. 9.1.1.

Issue No. 1, posted July 2, 2015

In ADINA 9.1.0, the porthole file cannot be loaded under the following conditions:

1) ADINA-IN database file is opened first, and
2) Porthole file contains plastic Hermitian beam elements with box, I, U or L section, and
3) Default numerical integration orders are used in the beam element cross-section.

The error message from the AUI is

***ALERT: Error reading ADINA porthole file, expected record 'ELEMENT4',
         record label is 'IPOINT-4'
        The loading of the porthole flie is stopped.

The following workarounds can be used:

1) Don't load the ADINA-IN database file, or
2) Explicitly set the numerical integration orders in the beam element cross-section, for example to "3".

This bug is fixed in v. 9.1.1.




For Useful Hints and Issues regarding the use of earlier versions of the ADINA System, see here

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