Laminated Composites Archives - ESRD https://www.esrd.com/product-tag/laminated-composites/ Engineering Software Research and Development, Inc. Thu, 22 Jun 2023 15:48:10 +0000 en-US hourly 1 https://wordpress.org/?v=6.6.2 https://www.esrd.com/wp-content/uploads/cropped-SC_mark_LG72ppi-32x32.jpg Laminated Composites Archives - ESRD https://www.esrd.com/product-tag/laminated-composites/ 32 32 ASIP 2022 Training – Best Practices for the Modeling and Analysis of Bonded Doubler Repairs https://www.esrd.com/resource-library/product/asip-2022-training-best-practices-for-the-modeling-and-analysis-of-bonded-doubler-repairs/ Mon, 05 Dec 2022 15:01:02 +0000 https://www.esrd.com/?post_type=product&p=26512 Abstract: this 2-hour training course, originally presented at the ASIP 2022 conference in Phoenix, AZ, explored the following topics:
  • StressCheck’s FEA technology implementation enabling modeling of very thin domains, including adhesive layers with 3D-solid elements.
  • Best practices and guidelines for modeling and analyzing 3D bonded repair doubler variations (e.g. racetrack/rectangular, circular/elliptical, tapered, metallic, ply-by-ply, homogenized, etc.) for circular cutouts and grindouts.
  • Performing “what if?” logic-driven studies of a digital 3D bonded repair handbook solution via StressCheck API-powered Engineering Simulation App, in which user-defined input data is passed from Python or Excel VBA to StressCheck Professional to perform scripted “on-the-fly” model adjustments and repair-oriented computations.
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]]> Application Brief: Detailed Analysis of Bonded Repairs https://www.esrd.com/resource-library/product/application-brief-detailed-analysis-of-bonded-repairs/ Tue, 22 Nov 2022 14:48:26 +0000 https://www.esrd.com/?post_type=product&p=26453 Aircraft are commonly being flown well past their original expected service life, and the value derived from improving the productivity and reliability of DaDT analysis functions to support the inspection, maintenance, repair, and life-extension of today’s aerostructures is substantial. StressCheck's implementation of numerical simulation is designed to support solution verification, an essential technical requirement of Simulation Governance. The implementation makes it possible to encapsulate complexity, improve productivity, contain costs, and ensure the reliability of results for the expert simulation analyst as well as the non-FEA expert DaDT engineer.]]>
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]]> StressCheck Tutorial: Assigning Laminate Orthotropic Materials https://www.esrd.com/resource-library/product/stresscheck-tutorial-assigning-laminate-orthotropic-materials/ Thu, 01 Oct 2020 03:02:47 +0000 https://esrd.com/?post_type=product&p=16771 Abstract: Assignment of laminate orthotropic materials to hand meshed elements using Type: Lamina and Type: Laminate-Stack.
  • If “Lamina” is selected, the user may utilize the “Angle” field to supply ply orientation values. These values may be the ply angle in degrees, a user defined parameter with the value of the ply angle in degrees, or a ply sequence for sub-laminates (e.g. "0/90/0/90/0).
  • If “Laminate-Stack” is selected, the user may assign a laminate stack definition to an element or set of elements using "Ply" (ply-by-ply discretization), "Lump" (homogenized sub-laminate) or a combination of both.
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]]> StressCheck Tutorial: Stepped Ply Bonded Lap Joint (Extruded) https://www.esrd.com/resource-library/product/stresscheck-tutorial-stepped-ply-bonded-lap-joint-extruded/ Tue, 25 Jun 2019 11:59:06 +0000 https://esrd.com/?post_type=product&p=10831 Abstract: Parametric geometry creation for a stepped ply bonded lap joint configuration. Generation of a quad-mesh (automesh of quadrilateral elements), definition and assignment of laminate orthotropic and adhesive (bond) material properties, and then the conversion of the quad-mesh to 3D hexahedra by selecting the Extrude reference.]]>
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]]> StressCheck Demo: Bonded Composite Repair Patch for Cracked Hole https://www.esrd.com/resource-library/product/stresscheck-demo-bonded-composite-repair-patch-for-cracked-hole/ Thu, 30 May 2019 00:55:43 +0000 https://esrd.com/?post_type=product&p=10602 Abstract: Modeling and linear analysis of an adhesively-bonded composite doubler repair patch over a hole with an elliptical part-thru crack. The goal is to reduce the SIF's at the crack front and extend the life of the plate.]]>

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]]> StressCheck Tutorial: Laminated Composite Repair Patch Part III – Geometric Nonlinear Analysis https://www.esrd.com/resource-library/product/stresscheck-tutorial-laminated-composite-repair-patch-part-iii-geometric-nonlinear-analysis/ Mon, 22 Oct 2018 21:11:42 +0000 https://esrd.com/?post_type=product&p=8171 Abstract: Modeling a laminated composite repair patch. Rectangular plate with circular cutout bonded with a rectangular laminated composite repair patch. Part III: comparison between linear and geometric nonlinear solutions. StressCheck Tutorial: Laminated Composite Repair Patch Part II - Materials, BC's & Results]]>
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]]> StressCheck Tutorial: Laminated Composite Repair Patch Part II – Materials, BC’s & Results https://www.esrd.com/resource-library/product/stresscheck-tutorial-laminated-composite-repair-patch-part-ii-materials-bcs-results/ Mon, 22 Oct 2018 15:08:54 +0000 https://esrd.com/?post_type=product&p=8155 Abstract: Modeling a laminated composite repair patch. Rectangular plate with circular cutout bonded with a rectangular laminated composite repair patch. Part II: material definition and assignment via automatic lamination, application of boundary conditions, solution by p-extension and live dynamic results. StressCheck Tutorial: Laminated Composite Repair Patch Part I - Geometry & Meshing]]>
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]]> StressCheck Tutorial: Laminated Composite Repair Patch Part I – Geometry & Meshing https://www.esrd.com/resource-library/product/stresscheck-tutorial-laminated-composite-repair-patch-part-1-geometry-and-meshing/ Fri, 19 Oct 2018 20:47:41 +0000 https://esrd.com/?post_type=product&p=8149 Abstract: Modeling a laminated composite repair patch. Rectangular plate with circular cutout bonded with a rectangular laminated composite repair patch. Part I: parametric geometry modeling and meshing with hexas and pentas.]]>
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]]> StressCheck Tutorial: Large Deformation Solution for a Laminated Composite Strip https://www.esrd.com/resource-library/product/stresscheck-tutorial-large-deformation-solution-laminated-composite-strip/ Wed, 17 Oct 2018 19:37:14 +0000 https://esrd.com/?post_type=product&p=8126 Abstract: Large deformation solution for a laminated composite strip under compressive and shear loadings.]]>
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]]> Fiber Weave Representative Volume Element (RVE) Sim App https://www.esrd.com/resource-library/product/fiber-weave-rve-sim-app/ Fri, 24 Aug 2018 19:52:07 +0000 https://esrd.com/?post_type=product&p=7763 Abstract: A Sim App concept for a fiber weave representative volume element (RVE) model is presented. By utilizing the parameter-controlled StressCheck Handbook model, equivalent orthotropic lamina (ply) properties can be developed (either by hand or automatically via the StressCheck API) using a heterogeneous elastic material-based homogenization technique.]]>
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