1503 résultats
OPERA SIMULATION SOFTWARE

Engineering products are becoming more sophisticated and complex, yet development timescales invariably shorten. In today’s global marketplace, competition is becoming more intense. More than ever before, successful products need to be highly optimized for their target markets. This might demand optimization in different forms such as lower raw material costs, better performance, smaller size or greater efficiency.

Brochures

OPERA SIMULATION SOFTWARE
Coupled Thermomechanical Forging Simulations and the Effect of Material Constitutive Laws

Correct hot forming design relies on accurate prediction of forming loads, material deformation, and material properties. This is particularly true for coupled thermomechanical analyses, where die/workpiece contact will change local deformations and temperatures. These strains and thermal histories can change the material microstructures and resulting product properties. This presentation examines the influence of different material and contact models within a hot forging simulation and discusses the consequences on ultimate product performance. We use rate-independent plasticity and compare the results with the Anand internal variable, viscoplastic model available within Abaqus. We also use different contact conditions with varying pressure sensitivity for heat transfer. The simulations demonstrate that constitutive model selection has a strong effect on the final predicted properties of the forging.

Customer Papers

Coupled Thermomechanical Forging Simulations and the Effect of Material Constitutive Laws
Mechanisms-Based Fracture Model for Geological Materials

Over the past decade, hydraulic fracturing has become an industry-changing technology that enables commercial production of hydrocarbons from previously non-productive lowpermeability shale formations. R&D efforts focus on the development of economically efficient production protocols, where the selection of engineering solutions is guided by numerical simulations. Typically, the simulations are based on phenomenological fracture models that are adapted for the prediction of fluid-driven fracture processes at depth. These models rely on a longterm trial-and-error approach and offer reliable material response at conditions that have previously been experimentally investigated. For this reason, an extrapolation of such phenomenological models into untested regimes is not always successful.

Customer Papers

Mechanisms-Based Fracture Model for Geological Materials
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SIMULIA Champion: Andrea Giampieri

The 2021 SIMULIA Champions come from multiple industries across the globe. We recently spoke with Andrea Giampieri from Tetra Pak in Italy to find out more about his engineering career and his passion for simulation.

Article

SIMULIA Champion: Andrea Giampieri
Collaborative Antenna Design

This blog post will demonstrate collaborative antenna design using the example of a 5G small cell antenna array.

Article

Collaborative Antenna Design
SIMULIA Champion: David Scholtz

SIMULIA Champions come from around the world, and from a variety of industries. Here, we speak with David Scholtz of Wood Group in Australia to find out what led him into engineering and how his business is using simulation.

Article

SIMULIA Champion: David Scholtz

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