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group_type index type_name_0 type_name_1 ...

With this record a differential equation is specified for the element group index. Allowed type names are -condif, -groundflow, -materi, -wave, -spring, -truss, -beam and -trussbeam. Also -empty is allowed; it indicates that the element is empty.

See also element_group.

tochnog 2001-09-02