The calculation effectively pushes lines apart if they try to pass through one another, and it permits lines to separate again after contact. It is therefore best to suppress clash modelling on all sections that will never clash with other lines, or if you are not interested in the effects of clashing.įor the purposes of calculating clash force, OrcaFlex assumes constant spring stiffness and damping values and neglects friction. The facility to suppress clash modelling has been included because the clashing algorithm is time consuming. You can also specify a contact damping value. To include clash modelling between two lines, you must enable clash checking and set contact stiffness to a non-zero value, for both lines. For a summary of the differences, advantages and disadvantages of the two models see line contact versus line clashing. OrcaFlex provides two different ways of modelling contact between lines: the line contact model and the line clashing model.
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