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The aspect ratio of the loaded panel is considered leading to a greater load imposed on the edges closest to the centre of loading.With the ‘smooth’ option the loads on all elements along an edge are aggregated and represented as a linearly varying load.This prevents an unrealistic concentration of load at mid-span that is present in the basic ‘plane approximation’ option when there are multiple elements along an edge.The ‘corner’ option takes this smoothed load and tapers the load off toward the corners of the panel, giving an ‘envelope’ pattern for fully loaded rectangular panels. The multi-way span type has been removed and this functionality has been merged with the two-way spanning option.* Entities are removed from the display by appending a 'not' clause to the entity display list.Omissions are undone by removing trailing 'not' clauses that seem to have been appended by the Omit cursor mode.
Also, when right-clicking on elements, members and areas the right-click menu now includes the option to select all entities that are the same colour (in addition to the previously available options to select entities with the same property, material, and group).The solution is typically problem specific, however the modes shapes shoud give a clue as to where the problems occur.To facilitate the Omit From Display cursor mode shortcuts are now available for setting the Colour Elements option, as follows.The first two of these produce zero modal stiffness, but in the first case the mode shape should show the whole model displacing (rigid body displacement) while in the second case only a part of the model will be displacing (again as a rigid body).These cases are usually due to oversight and are fixed by checking/modifying the restraint and connectedness of the model.
The third case is usually due to problems in the modelling – usually due to very flexible element adjacent to stiff elements.