Rigid Diaphragm Torsion

Module Summary

• Analyzes a rigid diaphragm to determine the distribution of loads to resisting elements
• Incorporates user-specified diaphragm force and two options for specifying optional orthogonal force
• Considers user-specified point of application of diaphragm force
• Automatically incorporates accidental torsion due to minimum eccentricity as required by ASCE 7
• Creates a load application point at a user-specified number of locations around an ellipse defined by the eccentricities along the two axes of the diaphragm
• Applies the vector sum of the primary and orthogonal force components in a user-specified number of directions at each load application point, or varies the load in an elliptical pattern between two specified magnitudes that occur at 90 degrees to each other
• Convenient input tools facilitate the data entry for up to 160 resisting elements of walls, beams, or general resisting elements of specified stiffness
• Offers the convenience of fill-in-the-blanks style forms and instantaneous recalculation to facilitate the evaluation of “what-if” scenarios
• Provides highly efficient results summaries as well as generous detail in the on-screen and printed results