Cupola

Streamline wood-frame lateral design
Structural design software specifically for wood-frame lateral design. Analyze complex diaphragms and save time in design

Diaphragm Calculator

Calculator to solve the most typical diaphragm problems in wood-frame design. View diaphragm shear, collector forces, and shear wall forces

Diaphragm dimension

plf
ft
ft

Offset dimension

ft
ft
ft

Results

What's Next

Diaphragm calculator

Calculator to solve the most typical diaphragm problems in wood-frame design. View diaphragm shear, collector forces, and shear wall forces

  • Diaphragm with discontinuous chord

  • Diaphragm with offset interior shear walls

  • Cantilever diaphragms

  • Diaphragm with opening

  • Add and modify individual shear walls

Finite element analysis

Linear elastic finite element model for diaphragms of any geometries based on state-of-art research on diaphragm simulations

  • Real diaphragm stiffness controlled by connections

  • Model connections as springs

  • Model wood-frame diaphragm like RAM Concept

  • Auto-generate sheathing, framing and connectors

panel mesh example
  1. Import CAD drawing
  2. Draw floor shape and add wall lines
  3. Auto-generate panel mesh and framing
  4. Auto-generate springs connecting panel, framing and wall lines

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