June 24, 2017
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GENOA 4.4 Released
NANO Capability Introduced
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Issue #22 - 7/16/2013
Structural Health Monitoring Test Validation
Issue #21 - 1/16/2013
Managing Defects & End of Life Prediction / Validation in Composite Wind Turbine Blades
Issue #20 - 4/13/2010
Material Characterization & Qualification (MCQ)
Issue #19 - 11/17/2009
Composite Structures & Parametric Robust Design (PRD)
Issue #18 - 7/13/2009
Numerical Approach to Determine Crack Path and Delamination Growth in Composite Structures
Issue #17 - 5/4/2009
Certification-by-Analysis (CBA)
Issue #16 - 10/20/2008
Material Qualification and Certification Determine Allowables by Means of Virtual Simulation Combined With Limited Testing
Issue #15 - 6/10/2008
Predicting Post-Buckling Response and Ultimate Failure of Composite 2-Stringer Panels
Issue #14 - 4/28/2008
Composite Storage Module Joint Analysis and Test Verification
Issue #13 - 2/25/2008
GENOA 4.3 Release with A- and B-Basis Allowables
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PFA Low Velocity Impact
 

Progressive Failure Analysis Low Velocity Impact (PFA_LOW_VELOCITY_IMPACT)

View Product Datasheet (PDF)

Product Highlights:

         Predicts the response of composite and metallic elements and structures to low velocity impulsive forces, neglecting the influence of dynamic effects on the structural response.

         Uses a step-by-step static virtual loading procedure that takes into consideration material degradation, nonlinearity and changes in structural geometry. Material properties degradation is based on 1) matrix damage; 2) fiber fracture; and 3) fiber-matrix debonding.

         Characterizes the different stages in the damage process. The program computes various internal damage locations and failure modes in composites caused by the low velocity impact events.

         Predicts the damage process at different material scales beginning with the micro-cracking in fiber, matrix and fiber/matrix interface. Damage propagation from micro-level to ply, laminate and structural levels can then be tracked.

         Computes 1) the total energy exchanged during the impact event, 2) the energy absorption curves and 3) the impact force history.

         The user can employ optional conventional fracture mechanics approaches such as Virtual Crack Closure Technique (VCCT) and Discrete Cohesive Zone Model (DCZM).

Applications/Benefits:

         Aerospace, automotive and construction industries.

         Characterization of the different stages in the damage process.

         Determination of internal damage locations and failure modes in composites.

         Computation of the total energy exchanged during the impact event, the energy absorption curves and the impact force history.

 

 


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