I Keep getting this error "The volume of 37485 elements is zero, small, or negative. Check coordinates or node numbering, or modify the mesh seed. In the case of a tetrahedron this error may indicate that all nodes are located very nearly in a plane. The elements have been identified in element set ErrElemVolSmallNegZero.".. It occur after I enter the Constraint-tie for my rebar to the ribbed slab. Warning appear as "For *tie pair (assembly_s_surf-7-assembly_m_surf-7), not all the nodes that have been adjusted were printed. Specify *preprint,model=yes for complete printout.".. Where shall i rectify??
Most likely in the Tie definition you selected the option to move slave nodes to align with the master surface. This is a strain-free adjustment, and it doesn't take the element quality into account. If you open the ODB there will be an element set named ErrElemVolSmallNegZero. Highlight that and verify that it's on the Tie surface. If it is, then turn off the move slave nodes option in the Tie definition.
Most likely in the Tie definition you selected the option to move slave nodes to align with the master surface. This is a strain-free adjustment, and it doesn't take the element quality into account. If you open the ODB there will be an element set named ErrElemVolSmallNegZero. Highlight that and verify that it's on the Tie surface. If it is, then turn off the move slave nodes option in the Tie definition.
Thanks Marcus. I will try look into it now. But. what is ODB? Sorry, I am still beginner to ABAQUS..
The ODB is the Abaqus output database, with extension *.odb. It's what you open to view the results.
Where to find the ErrElemVolSmallNegZero set if the ODB hasn't been created because of the error ?
I have taken model for plan strain calculation. I got the same error while solved using abaqus solver. In this case element normals should be in the Z - positive direction (information got from abaqus documentation). Now my model got solved with out error.
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