3D Simulation of Wave Slamming on a Horizontal Deck Using WCSPH

Abstract Background Bochdalek hernia is a common congenital diaphragmatic defect that usually manifests with cardiopulmonary insufficiency in neonates. It is very rare in adults, and symptomatic cases are mostly left-sided. Diaphragmatic defects generally warrant immediate surgical intervention to reduce the risk of incarceration or strangulation of the displaced viscera. Case presentation A 47-year-old woman presented with dyspnea on exertion. Computed tomography revealed that a large part of the intestinal loop with superior mesenteric vessels and the right kidney were displaced into the right thoracic cavity. Preoperative three-dimensional (3D) simulation software visualized detailed anatomy of displaced viscera and the precise location and size of the diaphragmatic defect. She underwent elective surgery after concomitant pulmonary hypertension was stabilized preoperatively. The laparotomic approach was adopted. Malformation of the liver and the presence of intestinal malrotation were confirmed during the operation. The distal part of the duodenum, jejunum, ileum, colon, and right kidney were reduced into the abdominal cavity consecutively. A large-sized oval defect was closed with monofilament polypropylene mesh. No complications occurred postoperatively. Conclusion Symptomatic right-sided Bochdalek hernia in adults is exceedingly rare and is frequently accompanied by various visceral anomalies. Accurate diagnosis and appropriate surgical repair are crucial to prevent possible incarceration or strangulation. The preoperative 3D simulation provided comprehensive information on anatomy and concomitant anomalies and helped surgeons plan the operation meticulously and perform procedures safely.

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3D Simulation of acoustic waves propagating through porous domain using PUFEM tetrahedral elements

Journal of Physics Conference Series ◽

10.1088/1742-6596/1605/1/012016 ◽

2020 ◽

Vol 1605 ◽

pp. 012016

Author(s):

Mingming Yang ◽

Cyrille Breard ◽

Yipeng Cen ◽

Jean-Daniel Chazot

Keyword(s):

Acoustic Waves ◽

3D Simulation ◽

Tetrahedral Elements ◽

Porous Domain

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3D simulation of texture evolution induced grain coarsening in FCC polycrystals during severe plastic deformation

IOP Conference Series Materials Science and Engineering ◽

10.1088/1757-899x/1121/1/012045 ◽

2021 ◽

Vol 1121 (1) ◽

pp. 012045

Author(s):

Chi Zhang ◽

Laszlo S Toth

Keyword(s):

Plastic Deformation ◽

Severe Plastic Deformation ◽

Texture Evolution ◽

3D Simulation ◽

Grain Coarsening

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3D Simulation-Based Acoustic Wave Resonator Analysis and Validation Using Novel Finite Element Method Software

Sensors ◽

10.3390/s21082715 ◽

2021 ◽

Vol 21 (8) ◽

pp. 2715

Author(s):

Ruth Yadira Vidana Morales ◽

Susana Ortega Cisneros ◽

Jose Rodrigo Camacho Perez ◽

Federico Sandoval Ibarra ◽

Ricardo Casas Carrillo

Keyword(s):

Finite Element ◽

High Performance ◽

Cloud Services ◽

3D Simulation ◽

3D Simulations ◽

Acoustic Resonators ◽

Analysis And Design ◽

Wave Resonator ◽

Film Bulk ◽

Simulation Results

This work illustrates the analysis of Film Bulk Acoustic Resonators (FBAR) using 3D Finite Element (FEM) simulations with the software OnScale in order to predict and improve resonator performance and quality before manufacturing. This kind of analysis minimizes manufacturing cycles by reducing design time with 3D simulations running on High-Performance Computing (HPC) cloud services. It also enables the identification of manufacturing effects on device performance. The simulation results are compared and validated with a manufactured FBAR device, previously reported, to further highlight the usefulness and advantages of the 3D simulations-based design process. In the 3D simulation results, some analysis challenges, like boundary condition definitions, mesh tuning, loss source tracing, and device quality estimations, were studied. Hence, it is possible to highlight that modern FEM solvers, like OnScale enable unprecedented FBAR analysis and design optimization.

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