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ESRD has been helping aerospace and defense (A&D) engineering professionals solve the toughest problems in strength, durability and damage tolerance of metallic and composite structures since 1989.

We developed the world’s premier high-order FEA tool, StressCheck Professional, to empower our customers to obtain reliable solutions to their challenging engineering applications.

Schedule an Application Demo

Would you like a no-cost demonstration of our engineering application solutions? Complete our Request an Engineering Application Demo form and we will get back to you shortly.

Schedule Demo

3D multi-body contact analysis of an aircraft shear clip assembly.

What Are Your Engineering Analysis Goals?

Are high-resolution stress or strain gradients important to you? Or, any of the following?:

Stress concentrations for small and/or difficult to analyze features
Adhesively bonded ply by ply laminated composites details
3D stress intensity factors (SIF) for user-defined crack geometries
Multi-body contact analyses of fastened joints
Residual stress due to cold-working process
Global-local analysis of airframe details
Customized engineering simulation apps

If so, then there is a high probability that we can help you achieve your present (and future) simulation goals with our software products.

SplicePlateWebinarGraphic — 3D Splice Plate problem definition (top right), mixed mesh (top left) and plate von Mises stresses (bottom).

3DFractureApplication — Example 3D crack front (left) and SIF extraction (right) for complex geometry and loading.

Application & Simulation Focus

The following section highlights key engineering applications, and related solid mechanics problem classes, that are well-suited for ESRD’s numerical simulation technology:

Detailed Stress Applications

StressCheck’s high definition stress analysis results are unlike any other in the industry; once you have used StressCheck’s hierarchic solver and unlimited live post-processing you’ll never want to go back.

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Composites Applications

Our implementation is unique in the FEA industry for focusing on the detailed analysis needs of composite designers and engineers, including 3D ply-by-ply modeling and failure analysis.

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Fracture Mechanics Applications

StressCheck is ideally suited for damage tolerance and forensic engineers who need the best representation of 2D or 3D SIF’s, ERR’s and beta factors for input in sophisticated crack growth simulations, or when analyzing repairs for mitigation of cracks.

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Residual Stress Applications

In the past, reliably simulating RS effects was challenging due to extreme stress gradients, especially in lightweight components. With the technology in StressCheck, representing rapidly changing stresses over short distances is a breeze.

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Would you like to schedule an Application Demo?

Need a demo of an engineering application, such as a detailed stress, fracture, global-local or composites solution? Fill out the below form (note the required fields) and submit. An ESRD representative will respond shortly with more information. Thank you!

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Please indicate an organization, such as the agency, company or academic institution to which you are affiliated.

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What engineering application(s) is/are of greatest interest? *

Detailed Stress
Global-Local / Breakout Modeling
Fracture Mechanics
Residual Stress / Coldworking
Composites
Fastened Joints / Contact
Simulation Apps / Automation
Other

For more details on the engineering applications supported by our software products, refer to our Applications page.

Please list other engineering application(s) of interest:

Optional: please provide additional details about your engineering application selection(s)

Engineering application demo time frame:

As soon as possible
Within the next few weeks
Within the next few months

ESRD will work with you to schedule a 1 to 2-hour Teams meeting to review the selected engineering applications.

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Testimonials

“In the case of the through crack configuration, the comparison of experimental and StressCheck derived geometry factors showed a close correlation and were an improvement to solutions provided in AFGROW at the time. Based on the results of this research, StressCheck pin-loaded lug geometry factors have since been incorporated into the AFGROW software.”

Dr. Alten Grandt
Purdue University

Testimonials

“Accurate and reliable stresses and Stress Intensity Factors are required for determination of static and residual strength and for crack growth analyses in analysis tools such as AFGROW. For some geometries, industry solutions are either insufficient or nonexistent. The geometry, applied forces, and crack shapes and dimensions must be modeled reasonably well to obtain useful engineering data. The p-version finite element software StressCheck (ESRD, Inc., St. Louis, Missouri, USA) is used to demonstrate how accurate finite element solutions can lead to good quality engineering analysis.”

, Analytical Processes/Engineering Solutions, Inc. (AP/ES)

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Applications & Simulations

What Are Your Engineering Analysis Goals?

Application & Simulation Focus

Would you like to schedule an Application Demo?

Looking for Resources?

Interested in a Demo, Evaluation or Purchase?

Have a Software Question, Issue or Feature Request?

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Testimonials

Dr. Alten Grandt