![]() ![]() The DAPS 3D FEM analysis builds upon the 20 node hexahedral isoparametric element, and intends to model all possible types of pavements structures and loads, including the complex main landing gear arrangements of the aircraft listed in the PCN/PCR module. The capacity to load more than one file simultaneously means that it will possible to for example, back-calculate all of the tests alignments performed side by side over the length of an airport runway in one single take. DAPS is prepared to read the following test data formats: To initiate the back-analysis procedure of the data obtained in a Falling Weight Deflectometer test campaign, it will be necessary to load the corresponding raw data file or files DAPS will open any number of raw data files desired by the user simultaneously. Several soil models can be selected in order to adjust the calculations to each specific test site soil properties. It will also admit an optional bedrock representative layer or to subdivide the subgrade layer. ![]() DAPS will allow to back-calculate FWD tests performed on pavement structures that consist of the subgrade and up to four additional layers. ![]()
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