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Basic concepts The membrane structures are constructed by providing a pretensioning force to membrane. The reasons for the prestressing are several: Self weight of the membrane would deform it, forming unforeseeable wrinkles and making her exposed to uncontrolled movements. Considering that the membranes can only withstand tension, if we put it a tensioned state, when there are loads produced by external actions (snow, wind,…) to create compression, this compression will be compensated by the prestressed …Read More


If there is a membrane in the structure you will need to generate the triangular elements that represent it. If we forget these elements the program believes that we are analyzing a wire mesh and can neither calculate snow, nor wind, nor pressure, etc. Moreover, we will not be able create patterns later. To generate the elements, we will use the menu Elements | Automatic generation. This process can be a little …Read More

Modulus of elasticity of a membrane

In any structural calculation, we relate the deformation of the elements that make up the structure with the stresses to which they are subjected. This relationship is often expressed normally using the stress-strain graph of such material. So, we know that the more you deform a structural element, more stress it acquires. This relationship stress-strain is the quantified with a value that is inherent to each material, which we call …Read More