Meshfree Methods for Partial Differential Equations VII: Advanced Meshfree Methods
Meshfree methods are a class of numerical methods for solving partial differential equations (PDEs) that do not require a mesh to discretize the solution domain. This makes them particularly well-suited for problems with complex geometries, moving boundaries, and other situations where a traditional mesh-based method would be difficult or impossible to use.
Meshfree methods have been developed over the past few decades, and a number of different methods now exist. Some of the most popular meshfree methods include:
- hp-Clouds
- Meshfree finite element methods
- Partition of unity methods
- Radial point interpolation methods
- Smoothed particle hydrodynamics methods
Each of these methods has its own advantages and disadvantages, and the best choice for a particular application will depend on the specific requirements of the problem.
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Language | : | English |
File size | : | 12107 KB |
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Print length | : | 332 pages |
Meshfree methods are based on the idea of using a set of nodes to represent the solution domain. These nodes can be located anywhere in the domain, and they do not need to be connected to each other. The solution is then approximated using a function that is defined at the nodes.
The function used to approximate the solution can be any type of function, but it is typically a polynomial or a radial basis function. Polynomial functions are easy to evaluate and differentiate, but they can become inaccurate if the solution is not smooth. Radial basis functions are more accurate than polynomial functions, but they are more expensive to evaluate and differentiate.
The choice of function used to approximate the solution will depend on the specific requirements of the problem. For problems with smooth solutions, a polynomial function may be sufficient. For problems with non-smooth solutions, a radial basis function may be necessary.
In recent years, there have been a number of significant developments in meshfree methods. These developments have made meshfree methods more accurate, efficient, and versatile.
One of the most important developments in meshfree methods has been the development of hp-clouds. Hp-clouds are a type of meshfree method that uses a hierarchical set of nodes to represent the solution domain. This allows for a more accurate approximation of the solution, especially for problems with complex geometries.
Another important development in meshfree methods has been the development of meshfree finite element methods. Meshfree finite element methods combine the advantages of meshfree methods with the advantages of finite element methods. This results in a method that is accurate, efficient, and versatile.
Partition of unity methods, radial point interpolation methods, and smoothed particle hydrodynamics methods have also seen significant development in recent years. These methods have been improved in terms of accuracy, efficiency, and versatility.
Meshfree methods are used in a wide variety of applications, including:
- Solid mechanics
- Fluid mechanics
- Heat transfer
- Electromagnetics
Meshfree methods are particularly well-suited for problems with complex geometries, moving boundaries, and other situations where a traditional mesh-based method would be difficult or impossible to use.
Meshfree methods are used to solve a wide range of problems in solid mechanics, including:
- Linear and nonlinear elasticity
- Plasticity
- Fracture mechanics
- Contact mechanics
Meshfree methods are particularly well-suited for problems with complex geometries, moving boundaries, and other situations where a traditional mesh-based method would be difficult or impossible to use.
Meshfree methods are used to solve a wide range of problems in fluid mechanics, including:
- Incompressible and compressible flows
- Laminar and turbulent flows
- Heat transfer
- Multiphase flows
Meshfree methods are particularly well-suited for problems with complex geometries, moving boundaries, and other situations where a traditional mesh-based method would be difficult or impossible to use.
Meshfree methods are used to solve a wide range of problems in heat transfer, including:
- Conduction
- Convection
- Radiation
- Phase change
Meshfree methods are particularly well-suited for problems with complex geometries, moving boundaries, and other situations where a traditional mesh-based method would be difficult or impossible to use.
Meshfree methods are used to solve a wide range of problems in electromagnetics, including:
- Maxwell's equations
- Wave propagation
- Antenna design
- Electromagnetic compatibility
Meshfree methods are particularly well-suited for problems with complex geometries, moving boundaries, and other situations where a traditional mesh-based method would be difficult or impossible to use.
Meshfree methods are a powerful tool for solving partial differential equations. They are particularly well-suited for problems with complex geometries, moving boundaries, and other situations where a traditional mesh-based method would be difficult or impossible to use.
In recent years, there have been a number of significant developments in meshfree methods. These developments have made meshfree methods more accurate, efficient, and versatile. As a result, meshfree methods are now used in a wide variety of applications, including solid mechanics, fluid mechanics, heat transfer, and electromagnetics.
- Meshfree Methods for Partial Differential Equations VII: Advanced Meshfree Methods by Michael Griebel and Michael A. Schweitzer
- hp-Clouds: A Method for High-Free Download Accurate Meshfree Approximation by Michael Griebel and Michael A. Schweitzer
- Meshfree Finite Element Methods by Ted Belytschko, Yiyong Lu, and Lihua Gu
- Partition of Unity Methods by John M. Melenk and Ivar Babuška
- Radial Point Interpolation Methods by George R. Johnson and Stephen R. Cottrell
- Smoothed Particle Hydrodynamics Methods by Monaghan, J. J.
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Language | : | English |
File size | : | 12107 KB |
Screen Reader | : | Supported |
Print length | : | 332 pages |
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4.5 out of 5
Language | : | English |
File size | : | 12107 KB |
Screen Reader | : | Supported |
Print length | : | 332 pages |