Modified 2.5D singular boundary methods to deal with spurious eigensolutions in exterior acoustic problems

Keyphrases

• Eigensolution 100%
• Singular Boundary Method 100%
• Exterior Acoustic Problems 100%
• Non-uniqueness 33%
• Numerical Scheme 33%
• Dirichlet Boundary Condition 33%
• Interior Solutions 33%
• Radiation Problem 33%
• Point Source 16%
• Accurate Solution 16%
• Work-based 16%
• Benchmark Instances 16%
• Discretization Scheme 16%
• Starlike 16%
• 3D Problem 16%
• Dispersion Curves 16%
• Method of Fundamental Solutions 16%
• Wavenumber Spectrum 16%
• Dual Surface 16%
• Surface Method 16%
• Physical Boundaries 16%
• Propagation Mode 16%
• Boundary Types 16%
• Neumann Boundary Condition 16%
• Fictitious Eigenfrequency 16%
• Spurious Dispersion 16%
• Infinitely Long Cylinder 16%
• Spurious Eigenvalue 16%

Mathematics

• Numerical Scheme 100%
• Nonuniqueness 100%
• Dirichlet Boundary Condition 100%
• Uniqueness Problem 100%
• Cross Section 50%
• Eigenvalue 50%
• Source Point 50%
• Discretization 50%
• Method of Fundamental Solution 50%
• Neumann Boundary Condition 50%

Engineering

• Eigensolutions 100%
• Numerical Scheme 66%
• Dirichlet Boundary Condition 66%
• Cross Section 33%
• Eigenfrequencies 33%
• Eigenvalue 33%
• Simulation Result 33%
• Source Point 33%
• Discretization Scheme 33%
• Accurate Solution 33%
• Dispersion Curve 33%
• Numerical Difficulty 33%
• Propagation Mode 33%
• Surface Method 33%
• Neumann Boundary Condition 33%
• Wavenumber-Frequency Spectrum 33%