XASYMM Antisymmetry about a plane with X = constant (U2 = U3 = UR1 = 0;ABAQUS/Standard only). YASYMM Antisymmetry about a plane with Y = constant (U1 = U3 = UR2 = 0;ABAQUS/Standard only). ZASYMM Antisymmetry about a plane with Z = constant (U1 = U2 = UR3 = 0;ABAQUS/Standard only). PINNED Pinned (U1 = U2 = U3 = 0). If you model the part with generalized plane strain elements, you must use the Keywords Editor to apply boundary conditions on the active degrees of freedom (U3, UR1, and UR2) at the reference node of these elements (see Adding unsupported keywords to your Abaqus/CAE model). You must assign an element type key to a user-defined element. The element type key must be of the form Un in Abaqus/Standard and VUn in Abaqus/Explicit , where n is a positive integer that identifies the element type uniquely. For example, you can define element types U1, U2, U3, VU1, VU7, etc. Toggle on the buttons labeled U1, U2, and U3 to constrain the end of the hinge in the 1-, 2-, and 3-directions. You do not need to constrain the rotational degrees of freedom of the hinge because solid elements (which have only translational degrees of freedom) will be used to mesh the hinge.
Assign restraints (U1, U2, U3, R1, R2, and R3) to joint G, then assign displacements obtained from the global model to joint G through Assign > Joint Loads > Displacements. Analyze the local model for the applied displacement loads.
To edit an existing base motion boundary condition using menus or managers, see Editing step-dependent objects. In the Basic tab, select the Degree-of-freedom to specify the direction for which the base motion is being defined. This direction is always a global direction: U1, U2, U3, UR1, UR2, or UR3. CbQNYCA.
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    • abaqus u1 u2 u3 meaning