Posted Sat, 19 Mar 2016 11:05:36 GMT by Velichko Angelov
Hi, I want to:1. Create element without weight in the model, how to define such element.2.How to reduce stiffness of element without changing the section
Posted Mon, 21 Mar 2016 10:03:10 GMT by Vlad Grigoriu
In order to obtain an element with no weight you need to change, from material properties, the element density to 0. (go to Manage-->Used materials-->select the material-->Mechanical Properties and set “Density” value to 0).You can impose smaller rigidity for an element in two ways:1.You can change material properties to a smaller value for longitudinal\transverse rigidity (go to Manage-->Used materials-->select the material-->Mechanical Properties and insert the desired value for longitudinal rigidity).2.Another way you can change the rigidity of an element is to select the element--> go to properties--> Cross section--> set “Concrete inertia type” to “Imposed value” and insert a value for “Cracked section inertia coefficient” as a ratio between desired rigidity and full rigidity (value smaller than 1).
Posted Mon, 28 Mar 2016 10:04:04 GMT by Velichko Angelov
Thanks Vlad

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