nonlinear analysis

LUSAS is a trademark and trading name of Finite Element Analysis Ltd, providing engineering analysis and design software. For more than 40 years LUSAS has helped clients analyse, design and assess all types of infrastructure projects, with software used in civil, structural, bridge, offshore, oil and gas, mechanical and composites engineering.

buckling analysisdynamic analysisFatigue Analysisfinite element analysisimpact and contact analysislinear static analysisseismic analysissoil-structure interactionstaged construction analysisthermal analysis

Forell | Elsesser Engineers is an award-winning structural and earthquake engineering firm in San Francisco that has been in continuous practice for 60+ years. It provides structural engineering and seismic design for new and rehabilitated facilities of all types of construction, and has pioneered seismic base isolation systems, passive damping systems, and buckling restrained brace frames.

base isolationBIMbuckling restrained brace framesconstructability reviewdesign-buildearthquake engineeringIntegrated Project Deliverypassive damping systemspeer reviewplan checkingseismic designstructural engineeringValue Engineering

Froelich Engineers provides creative, client-focused civil and structural engineering services to the private and public sectors. Founded by Tim Froelich in 1983, the firm offers civil and structural engineering plus specialty structural consulting, serving architects, owners, developers, and builders across the United States from offices in Oregon and Colorado.

adaptive reusebase isolationcivil engineeringconstruction administrationdynamic analysisfinite element analysisfluid-structure interactionMatterport 3D building scansperformance-based designseismic evaluation and retrofitsoil-structure interactionstructural engineering