Sven ivind Wille

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Produções bibliográficas

• WILLE, S. . ; STAFF, . ; LOULA, A. F. D. . A Sparse Parallel Direct Gaussian Equation Solver for the Mixed Finite Element Formulation of the Navier - Stokes Equations. Computer Methods in Applied Mechanics and Engineering , 2001.

• WILLE, S. . ; STAFF, . ; LOULA, A. F. D. . Effcient A Priori Pivoting Scheemes for a Sparse Direct Gaussian Equation Solver for the Mixed Finite Element Formulation of the Navier - Stokes Equations . Computer Methods in Applied Mechanics and Engineering , 2001.

• WILLE, S. . ; STAFF, . ; LOULA, A. F. D. ; CAREY, G. F. . The Influence of the Order of Fill-Inn on the Convergence rate for ILU Preconditioned Iterative Solvers. Computer Methods in Applied Mechanics and Engineering , 2001.

• WILLE, S. . ; LOULA, A. F. D. ; STAFF, . . Parallel ILU Preconditioning and Segregation of Variables for Iterative Solution of the Mixed Finite Element Formulation of the Navier - Stokes Equations. Computer Methods in Applied Mechanics and Engineering , 2001.

• WILLE, S. . ; LOULA, A. F. D. ; STAFF, . . Block and Full Matrix ILU Preconditioners for Parallel Finite Element Solvers. Computer Methods in Applied Mechanics and Engineering , 2001.

• WILLE, S. . ; LOULA, A. F. D. . A Priori Pivoting in Incomplete Gaussian Preconditioning for the Incompressible Navier - Stokes Equations. Communications in Numerical Methods in Engineering , 2001.

• WILLE, S. . ; LOULA, A. F. D. . A Priori Pivoting in Incomplete Gaussian Preconditioning for Iterative Solution of Mixed Finite Element Formulation of the Navier-Stokes Equations. Computer Methods in Applied Mechanics and Engineering , v. 190, n.29-30, p. 3735-3747, 2001.

• WILLE, S. . . Adaptive Finite Element Simulations of the Surface Currents in the North Sea. Computer Methods in Applied Mechanics and Engineering , v. 166, p. 379-390, 1998.

• WILLE, S. . ; SKIPITARIS, D. . A Dynamic Adaptation Algorithm of Grid, Time and Satellite Processors for Nodal Finite Element Formulations of Navier - Stokes Equations. Computer Methods in Applied Mechanics and Engineering , v. 161, p. 215-228, 1998.

• WILLE, S. . . Nodal Operator Splitting Adaptive Finite Element Algorithms for the Navier - Stokes Equations. International Journal for Numerical Methods in Fluids , v. 26, p. 959-975, 1998.

• WILLE, S. . . The Three Dimensional Prolonged Adaptive Unstructured Finite Element Multigrid Method for The Navier - Stokes Equations. International Journal for Numerical Methods in Fluids , v. 25, p. 371-392, 1997.

• WILLE, S. . . A Non Linear Adaptive Full Tri - Tree Multigrid Method for the Mixed Finite Element Formulation of the Navier - Stokes Equations. International Journal for Numerical Methods in Fluids , v. 24, p. 1037-1047, 1997.

• WILLE, S. . . Adaptive Linearization and Grid Iterations with the Tri - Tree Multigrid Refinement - Recoarsement Algorithm for the Navier - Stokes Equations. International Journal for Numerical Methods in Fluids , v. 24, p. 155-168, 1997.

• WILLE, S. . . The Prolonged Adaptive Multigrid Method for Finite Element Navier - Stokes Equations. Computer Methods in Applied Mechanics and Engineering , v. 138, p. 227-271, 1996.

• WILLE, S. . . A Tri - Tree Multigrid Recoarsement Algorithm for the Finite Element Formulation of the Navier - Stokes Equations. Computer Methods in Applied Mechanics and Engineering , v. 135, p. 129-142, 1996.

• WILLE, S. . . A Local Predictive Convection - Diffusion Refinement Indicator for the Tri - Tree Adapted Finite Element Multigrid Algorithm of the Navier - Stokes Equations. Computer Methods in Applied Mechanics and Engineering , v. 134, p. 181-196, 1996.

• WILLE, S. . . A Local Solution Adapted Tri - Tree Multigrid Generator and Iterative Equation Solver for Mixed Finite Element Formulation of the Navier - Stokes Equations . Computer Methods in Applied Mechanics and Engineering , v. 131, p. 109-132, 1996.

• WILLE, S. . . An Adaptive Unstructured Tri - Tree Iterative Solver for Mixed Finite Element Solution of the Stokes Equations. International Journal for Numerical Methods in Fluids , v. 22, p. 889-913, 1996.

• WILLE, S. . . A Non Linear Adapted Tri - Tree Multigrid Solver for Mixed Finite Element Formulation of the Navier - Stokes Equations. International Journal for Numerical Methods in Fluids , v. 22, p. 1041-1059, 1996.

• WILLE, S. . . A Preconditioned Alternating Inner - Outer Iterative Solution Method for Mixed Finite Element Formulation of The Navier - Stokes Equations. International Journal for Numerical Methods in Fluids , v. 18, p. 1135-1151, 1994.

• WILLE, S. . . A Structured Tri-tree Search Method for Generation of Optimal Unstructured Finite Element Grids in Two and Three Dimensions. International Journal for Numerical Methods in Fluids , v. 14, p. 861-881, 1992.

• DAHL, O. ; WILLE, S. . . An ILU Preconditioner with Coupled Node Fill in for Iterative Solution of the Mixed Finite Element Formulation of the 2D and 3D Navier - Stokes Equations. International Journal for Numerical Methods in Fluids , v. 15, p. 525-544, 1992.

• WILLE, S. . . Numerical Simulations of Steady Flow Inside a Three Dimensional Aortic Bifurcation Model. Journal Biomedical Engineering, v. 6, p. 49-55, 1984.

• KJ RNES, M. ; SVINDLAND, A. D. ; WALL E, L. ; WILLE, S. . . Localization of Early Atherosclerotic Lesions in an Arterial Bifurcation in Humans. Acta Path Scand Sect, v. A 89, p. 35-40, 1981.

• WILLE, S. . . Pulsatile Pressure and Flow in Arterial Aneurysm Simulated in a Mathematical Model. Journal Biomedical Engineering, v. 3, p. 153-158, 1981.

• WILLE, S. . . Pressure and Flow in Arterial Aneurysms Simulated in Mathematical Models. Modelling Identification And Control, v. 2, p. 71-82, 1981.

• WILLE, S. . ; WALL E, L. . Pulsatile Pressure and Flow in Arterial Stenosis Simulated in a Mathematical Model. Journal Biomedical Enginnering, v. 3, p. 17-24, 1981.

• WILLE, S. . . Pressure and Flow in Arterial Stenoses Simulated in Mathematical Models. Applied Mathematical Modelling , v. 4, p. 83-488, 1980.

• WILLE, S. . . Pressure and Flow in Two Dimensional Bifurcation Models. Applied Mathematical Modelling , v. 4, p. 351-357, 1980.

• WILLE, S. . . A Finite Element Solution of the Navier - Stokes Equations for Two Dimensional and Axis Symmetric Flow. Modelling Identification And Control, v. 2, p. 105-117, 1980.

• RIS E, C. ; WILLE, S. . . Blood Velocity in Human Arteries Measured by a Bidirectional Ultrasonic Doppler Flowmeter. Acta Physiologica Scandinavica , v. 103, p. 370-378, 1978.

• WILLE, S. . . A Computer System for On-line Decoding of Ultrasonic Doppler Signals from Blood Measurements. Ultrasonics, v. 15, p. 226-230, 1977.

• FENSTAD, G. U. ; WALL E, L. ; WILLE, S. . . Three Tests for Regression Compared by Stochastic Simulation under Normal and Heavy Tailed Distribution. Scandinavian Journal of Statistics , v. 4, p. 31-34, 1977.

• GAUTVIK, K. M. ; NORMAN, T. ; TEIG, V. ; WILLE, S. . ; BRENNHOVD, I. O. ; CHRISTENSEN, I. . Radioimunoassay of Human Calciton in Serum and Tissue from Healthy Individuals and Patients with Medullary Carsinoma of the Thyroid Gland. Journal of Clinical Laboratory Analysis , v. 36, p. 1-7, 1976.

• NEWMAN, D. L. ; BOWDEN, L. R. ; GOSLING, R. G. ; WILLE, S. . . Impedance of Aortic Bifurcation; Grafts. J Cardiovascular Surg, v. 13, p. 175-180, 1972.

• STAFF, . ; WILLE, S. . ; LOULA, A. F. D. . Processsor Communication in Parallel Finite Element Computations . In: Workshop on Computational Methods for Oceanic, Atmospheric and Groundwater flows, 2001, Petrópolis-RJ, 2001.

• WILLE, S. . ; STAFF, . ; LOULA, A. F. D. . Parallel ILU Preconditioning of for Navier - Stokes Equations. Invited Lecture. In: Workshop on Computational Methods for Oceanic, Atmospheric and Groundwater flows, 2001, Petrópolis-RJ, 2001.

• STAFF, . ; WILLE, S. . ; LOULA, A. F. D. . Parallel ILU Preconditioning of Iterative Solvers. In: The Texas Finite Element Rodeo, 2001, Dallas, 2001.

• WILLE, S. . ; STAFF, . ; LOULA, A. F. D. ; CAREY, G. F. . The Influence of the Order of Fill - Inn on ILU Preconditioned Iterative solvers. In: The Texas Finite Element Rodeo, 2001, Dallas, 2001.

• WILLE, S. . ; LOULA, A. F. D. . A Priori Pivoting in Incomplete Gaussian Preconditioning for the Incompressible Navier - Stokes Equations. In: Conference,Finite Elements in Flow Problems 2000, 2000, Austin, 2000.

• WILLE, S. . . Tri-Tree Mesh Generation and Mesh Adaptation, Invited Lecture. In: Workshop on Computational Modeling and Applications, 1999, Petrópolis-RJ, 1999.

• WILLE, S. . . The Adative Finite Element Method for the mixed Formulation of the Navier - Stokes equations. In: Workshop on Parallel Finite Element Computation, 1999, Petrópolis-RJ, 1999.

• WILLE, S. . . Nodal Adaptive Finite Element Algorithms. In: Tenth International Conference on Finite Elements in Fluids, 1998, Tucson. Proceedings of the Tenth International Conference on Finite Elements in Fluids, 1998.

• WILLE, S. . . Adaptation of Grid, Time and Satellite Processors in Solving the Navier - Stokes Equations. In: ACOMEN98, 1998, Ghent. Proceeding of the ACOMEN98, Advanced Computational Methods in Engineering, 1998.

• WILLE, S. . . Nodal Adaptive Finite Element Algorithms. In: Tenth International Conference on Finite Elements in Fluids, 1998, Tucson. Proceedings of the Tenth International Conference on Finite Elements in Fluids, 1998.

• WILLE, S. . . Nodal Adaptive Finite Element Methods for the Navier - Stokes Equations. In: Tenth Conference on Numerical Methods in Laminar and Turbulent Flow, 1997, Swansea. Proceedings of the Tenth Conference on Numerical Methods in Laminar and Turbulent Flow, 1997.

• WILLE, S. . . A Tri - Tree adaptive refinement-recoarsement finite element multigrid algorithm for the Navier - Stokes Equations. In: MAFELAPS 1996, 1996, Uxbridge. Proceedings of the Ninth Conference, The Mathematics of Finite Elements and Applications, 1996.

• WILLE, S. . . A local Solution Adapted Tri - Tree Multigrid Equation Solver for the Navier - Stokes Equations. In: Ninth Conference on Numerical Methods in Laminar and Turbulent Flow, 1995, Atlanta. Proceedings of the Ninth Conference on Numerical Methods in Laminar and Turbulent Flow, 1995. p. 1115-1126.

• WILLE, S. . . Multigrid Solution adapted Tri - Tree Grids for Unstructured Finite Elements. In: Ninth Conference on Numerical Methods in Laminar and Turbulent Flow, 1995, Atlanta. Proceedings of the Ninth Conference on Numerical Methods in Laminar and Turbulent Flow, 1995. p. 1103-1114.

• WILLE, S. . . A Preconditioned Inner - Outer Solution Method for the Navier - Stokes Equations. In: 8th International Conference on Numerical Methods in Laminar and Turbulent Flow, 1993, Swansea. Proceedings of the 8th International Conference on Numerical Methods in Laminar and Turbulent Flow. p. 1552-1563.

• WILLE, S. . . An ILU Coupled Node Fill in Preconditioner for Navier - Stokes Equations. In: First European Computational Fluid Dynamics Conference, 1992, Elsevier. Proceedings of the First European Computational Fluid Dynamics Conference, 1992.

• WILLE, S. . . Generation of Unstructured Grids by the Tri - tree Search Algorithm. In: 13th International Conference on Numerical Methods in Fluid Dynamics, 1992, Roma. Proceedings, 13th International Conference on Numerical Methods in Fluid Dynamics, 1992. p. 132-139.

• RUUD, H. K. ; WILLE, S. . . An Advancing Front Algorithm for Three Dimensional Mesh Generation. . In: NUMETA 90. Numerical Methods in Engineering: Theory and Application, 1990, Swansea, 1990. p. 1141-1153.

• WILLE, S. . . Local Gaussian Preconditioning of Symmetric and Non Symmetric Finite Element Equation Solvers. In: First International Conference on Industrial and Applied Mathematics, 1987, Paris. Proceedings of the First International Conference on Industrial and Applied Mathematics, 1987. p. 87-69.

• WILLE, S. . . A Local Preconditioner for Symmetric and Non Symmetric Equations for Refined Finite Element Meshes. In: Proceedings of Numerical Methods in Laminar and Turbulent Flow, 1987, Montreal, 1987. p. 352-364.

• WILLE, S. . . An Element by Element Preconditioner for Refined Finite Element Grids. In: First International Conference on Numerical Grid Generation in Computational Fluid Dynamics, 1986, Landshut. Proceedings of the First International Conference on Numerical Grid Generation in Computational Fluid Dynamics, 1986. p. 449-460.

• LANGTANGEN, H. P. ; RUSTEN, T. ; TVEITO, A. ; WILLE, S. . . An Element by Element Preconditioner for Iterative Equation Solvers. In: VI International Conference on Finite Elements in Water Resources, 1986, Lisboa. Proceedings of the VI. International Conference on Finite Elements in Water Resources, 1986. p. 767-776.

• WILLE, S. . . A Finite Element Formulation of the Two Phase Flow Equations for Oil Reservoirs. Society of Petroleum Engineers. In: Eight SPE symposium on reservoir simulation, 1985, Dallas, 1985. p. 201-206.

• WILLE, S. . . The Pressure and Flow Inside an Aortic Bifurcation. Sixth Annual Conference. In: American Society of Biomechanics, University of Washington, 1983, Seattle, 1983.

• WILLE, S. . . Finite Element Simulations of Pulsatile Blood Flow Patterns in Arterial Abnormalities. In: Finite Elements in Biomechanics, 1982, 1982. p. 39-59.

• WILLE, S. . . Pressure and Flow Patterns in the Vicinity of an Arterial Stenosis. In: International Conference on Finite Elements in Biomechanics, 1980, Tucson. Proceedings of the International Conference on Finite Elements in Biomechanics, 1980. p. 295-314.

• WILLE, S. . . Pressure and Flow Patterns Inside an Arterial Aneurysm. In: BIOENG 80. Biological Engineering Society., 1980, Londres. Proceedings of BIOENG 80. Biological Engineering Society., 1980. p. 127-130.

• WILLE, S. . . Real Time Frequency Analysis of Dopplersignals with an OnlineMinicomputer. In: IIIth Nordic Meeting on Medical and Biological Engineering, 1975, Tampere. Proceedings of the IIIth Nordic Meeting on Medical and Biological Engineering, 1975. p. 48.1-48.3.

• WILLE, S. . ; WALL E, L. ; AMUNDSEN, E. . Evaluation of Peripheral Circullation by Means of an Ultraonic Dopplerflowmeter connected to an On-line Digital Computer. In: XIIIth Congress of the European Society of Cardiovascular Surgery, 1974, Oslo. Proceedings of the XIIIth Congress of the European Society of Cardiovascular Surgery, 1974.

• NEWMAN, D. L. ; KING, D. ; GOSLING, R. G. ; WILLE, S. . . Reflection at Aortoiliac Junctions. In: Blood Blow Measurements, 1972, Londres, 1972. p. 44-47.

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