FSI analysis in Abaqus

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Fluid-Structure Interaction (FSI) refers to the interaction between a deformable or movable structure and an internal or surrounding fluid flow. FSI simulations are vital for understanding and predicting the behavior of systems where fluid and solid components interact. These simulations enable engineers and researchers to study the effects of fluid forces on structures and vice versa. FSI simulations are crucial in various fields, including aerospace, civil engineering, biomechanics, and automotive industries. They provide valuable insights into the performance, safety, and reliability of engineering systems. By accurately modeling the complex interactions between fluids and structures, FSI simulations can identify potential issues such as vibrations, instabilities, and structural failures. In this package, you’ll learn simulating FSI in Abaqus within 3 workshops.

Blood Flow Analysis in Abaqus

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  Human blood is a vital fluid that circulates through the body, carrying oxygen, nutrients, hormones, and immune cells. Simulation of human blood is crucial for understanding cardiovascular diseases, hemodynamics, and therapeutic interventions. It enables researchers to study the complex behavior of blood flow, investigate disease mechanisms, and develop improved diagnostic and treatment strategies. This package contains three workshops that would help you simulate blood flow in vessels: “Human blood with coronary vessel Fluid Structure Interaction simulation in Abaqus”, “Blood and vessel FSI simulation using Abaqus-Co Simulation process”, and “Non-Newtonian blood flow Simulation in Abaqus”.

Script to transfer load from CFD to structural model in Abaqus

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FEA offers various loading types, such as force, pressure, and temperature, which can be applied to different parts of an object, such as points, surfaces, edges, nodes, and elements. Therefore, applying accurate loading conditions on these features is necessary for reliable simulation results and the safe design of structures. Sometimes, the loading conditions are obtained by another analysis, such as CFD, and need to be transferred and applied to the structural model for the structural analysis; during this transfer, the loads might not be appropriately applied to the model, especially when the loads are complicated like the pressure profile of a space rocket. So in this package, a Python script is presented to solve this issue and transfer the loads properly to the structural model.

Geostatic analysis in Abaqus

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Geostatic Relates to the pressure exerted by the earth or similar substance. Total stress at a point due to the combined weight of the soil or rock (solids plus water) and the load on the foundation is called Geostatic stress. Geostatic analysis is used in cases such as earthquakes, designing a dam, analyzing the foundation of a structure, etc. In this package, three workshops are presented to learn the Geostatic analysis: The first workshop analyzes a water column broke under the weight of gravity, the second workshop simulates an earthquake load over a gravity dam in contact with water and dirt, the last workshop models cylindrical tank's water sloshing phenomenon.
 

Earthquake simulation in Abaqus

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It is known that an earthquake is a disastrous event that can cause great damage to buildings, structures, and even people. So it's essential to know how a structure will behave when subjected to an earthquake. Therefore engineers must take into account the possibility of an earthquake when designing a structure. With finite element analyses, engineers can predict the behaviour of structures under earthquake loading. With this method, they can determine the best way to design a structure to withstand an earthquake. In this package, you can learn how to do earthquake simulation in Abaqus to have the best design for your structure to save human lives. Three practical examples are presented to you to start simulating earthquakes: “simulating an earthquake over a gravity dam in contact with water and soil”, “simulating an earthquake load over a water-filled tank”, “Abaqus-Micro model simulation of seismic load over masonry wall (concrete brick)”.

Abaqus CFD Analysis

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Fluid-Structure Interaction also known as FSI is a multiphysics problem where the fluid and structure are coupled. The fluid flow can cause the structure to deform, and the deformation of the structure can affect the flow. So when you want to design something, you need to know how the structure will deform and how that deformation affects the flow. Common examples of FSI analysis are airplanes, cars, spacecrafts, and buildings. Other examples like junctions in piping systems, or the human circulatory system. CFD is a branch of research that uses numerical methods to solve the mathematical equations governing fluid flow, heat transfer, mass transfer, chemical reactions, and related phenomena. In Abaqus, you can model both methods. In this package, we present to you three workshops to get you started with Abaqus CFD and FSI: “Using Abaqus CFD methods, examining heat mixing and reverse flow characteristics in a T-junction”, “impact of air velocity over the short column”, “simulate fluid structure interaction on an aluminum body with a flexible tail in Abaqus”.

Bio-Mechanical Abaqus simulation Full package

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This video tutorial package offers a comprehensive guide to biomechanical simulations using Abaqus, covering a range of applications from dental to orthopedic and cardiovascular analyses. The workshops delve into finite element method (FEM) simulations, exploring static loading on human teeth, crack growth in bones under bending, bone drilling, and the behavior of titanium foam implants. Each tutorial emphasizes the importance of precise modeling and meshing techniques, utilizing dynamic explicit procedures, Johnson-Cook material models, and various contact and boundary conditions to simulate realistic biomechanical behaviors. Additionally, the package includes fluid-structure interaction (FSI) simulations for blood flow within coronary vessels, addressing both Newtonian and non-Newtonian models, and demonstrates the integration of computational fluid dynamics (CFD) with structural analysis for enhanced accuracy. The lessons complement the workshops by introducing fundamental FEM concepts, solver selection, explicit analysis considerations, and damage modeling, ensuring users gain a solid understanding of both theoretical and practical aspects of biomechanical simulations in Abaqus.