Non-negative mixed finite element formulations for a tensorial diffusion equation

Keyphrases

• Diffusion Equation 100%
• Mixed Finite Elements 100%
• Tensorial 100%
• Mixed Formulation 75%
• Maximum-minimum Principle 75%
• Nonnegative Solutions 50%
• Raviart-Thomas 50%
• Arbitrary Meshes 50%
• Optimization Techniques 25%
• Optimization Approach 25%
• Numerical Solution 25%
• Finite Element 25%
• Lower Order 25%
• Constrained Optimization Problem 25%
• Anisotropic Diffusion 25%
• Equation-based 25%
• Finite Element Formulation 25%
• Proposed Formulation 25%
• Galerkin Least Squares 25%
• Bilinear 25%
• One Field 25%
• Constrained Optimization 25%
• Trilinear 25%
• Variational multiscale Method 25%
• Galerkin Formulation 25%
• Nonnegative Constraint 25%
• Numerical Convergence Analysis 25%
• Raviart-Thomas Spaces 25%
• Local Mass Balance 25%
• Variational multiscale Formulation 25%
• Diffusivity Coefficient 25%
• Balance Property 25%
• Active Set Strategy 25%

Mathematics

• Diffusion Equation 100%
• Finite Element Method 100%
• Nonnegative Solution 33%
• Least Square 16%
• Numerical Solution 16%
• Constrained Optimization Problem 16%
• Convergence Analysis 16%
• Test Problem 16%
• Constrained Optimization 16%