This chapter considers operations of specifying loads and generating loadings for static and dynamic analysis. The control of the operations is performed with the help of the Loadings section of the toolbar (Fig. 1).
Figure 1. The Loadings section of the toolbar
Loads acting on the considered structure are specified as nodal forces and moments, and as concentrated, trapezoid and distributed forces and moments on the elements.
Loadings can include any set of loads and are characterized by a number and a name. If some sets of loads are included in several loadings, Groups of loads including these sets can be created in the process of generating loadings. Groups are saved under the indicated names and can be added to any loadings.
The Loadings section includes the following operations:
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— automatic
specification of the self-weight;
— parameters
of dynamic loadings;
— inertial
properties;
— parameters of dynamic loads;
— characteristics
of nodal loads;
— characteristics
of loads on bars;
— dislocations;
— characteristics
of loads on plate elements;
— characteristics
of thermal loads;
— characteristics of loads on solid
elements;
— characteristics of loads on regions;
—
route
— characteristics
of loads of the “specified displacement” type described as a 0-element;
— characteristics
of loads of the “displacements of constraints” type;
— save
a group of loads;
— save
a loading;
— remove
all loads from the model;
— delete
loads;
— delete
loadings and groups of loads;
— assemble
loadings from the groups of loads;
— specify
the coefficients of the groups of loads;
—
pack (delete “empty”) loadings;
— change parameters (names) of loadings.