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  • Simulations of a Truck Crashing Into a Reinforced Concrete Wall

    Kiewit Corporation, a diverse company specializing in construction, mining, oil, gas, power, transportation, and water projects, was contracted to design a boundary wall around a large electrical switching station. One of the requirements of the design was to prevent a medium duty truck from penetrating through the wall, as detailed in the crash test specifications of ASTM F2656-07. Kiewit contacted CAE Associates to request dynamic structural analyses to simulate the wall impact events for two different wall designs at different impact angles and locations.

  • Optimization of a Test Rig Platform

    Mechanical Solutions Incorporated designed a platform for testing axial fans at different speeds. The platform was designed to avoid any natural frequencies within the test speed range of the fans. A number of design iterations were required until a design was proposed that could satisfy the frequency criteria (safety margin from major excitation sources) without creating an excessively large and heavy structure.

  • Static Mixer Fatigue Life Assessment with ANSYS Mechanical

    The Norsea Gas Terminal in Northern Germany plays a vital role in the connection of pipeline systems coming from the North Sea to the natural gas distribution network throughout Germany. Built in 1977, the terminal was set to be replaced in 2015 by the GASSCO Emden terminal being built by Linde Engineering to ensure the continued safe and reliable delivery of natural gas to the region.

  • Advanced Light Weight Weapons Integration Platform (ALWiP) Structural Finite Element Analysis

    The ALWiP is a weapons mount platform that enables the weaponization of commercial helicopters for use in tactical aerial defense situations. The image above shows the ALWiP mounted on a BELL 407 helicopter in a configuration that allows for the use of Hellfire missiles and M134 Miniguns.

  • Reconstruction of Tullio's Adam

    On November 10, 2014, The Metropolitan Museum of Art unveiled a reconstructed statue of Adam, created by 15th-century Renaissance sculptor Tullio Lombardo. In 2002, the pedestal on which the statue was displayed collapsed and Adam fell to the floor, breaking into 28 large pieces and hundreds of small fragments. What followed was a twelve-year effort that has in many ways changed the world of monumental stone sculpture conservation.

  • Liquid Storage Bag Fill Analysis

    CAE Associates determined that finite element models could be developed to do this quickly and efficiently. FEA models of seamed polymer bags were developed with the ANSYS Workbench/LS-Dyna software that simulated the process of filling the bags with a liquid in a specific orientation. This software was selected because it is best-suited to solving and predicting the highly nonlinear behavior associated with the motion of flexible membranes and fabrics.

  • Clevis Kinematic Assessment with ANSYS

    A standard connection, used to allow relative rotational motion between parts commonly consists of two clevises connected by a pin. Typical use would allow for an easy extraction of the pin to separate the parts; however after an accident condition, extracting the pin or rotating the parts could prove difficult. A clevis geometry sample was created for the purpose of both physical and analytical testing to determine the expected loads to operate the hinge. The intent of the analytical work was to provide a validated and reliable means of predicting the response of a clevis after an accident event.

  • Sphere Impact Modeling - Automation Script Development

    A leading global research center wanted the means to assess the effects of geometric and material parameters on the impact behavior of multi-layered materials. To this end, they asked CAE Associates to develop parametric ANSYS scripts that automatically create LS-Dyna models of sphere impacts on multi-layered assemblies.