Academic literature on the topic 'Discontinuous spectral element method'
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Journal articles on the topic "Discontinuous spectral element method"
Shi1, Xing, Jianzhong Lin, and Zhaosheng Yu. "Discontinuous Galerkin spectral element lattice Boltzmann method on triangular element." International Journal for Numerical Methods in Fluids 42, no. 11 (2003): 1249–61. http://dx.doi.org/10.1002/fld.594.
Full textPei, Chaoxu, Mark Sussman, and M. Yousuff Hussaini. "A Space-Time Discontinuous Galerkin Spectral Element Method for Nonlinear Hyperbolic Problems." International Journal of Computational Methods 16, no. 01 (November 21, 2018): 1850093. http://dx.doi.org/10.1142/s0219876218500937.
Full textGassner, Gregor J. "A kinetic energy preserving nodal discontinuous Galerkin spectral element method." International Journal for Numerical Methods in Fluids 76, no. 1 (June 10, 2014): 28–50. http://dx.doi.org/10.1002/fld.3923.
Full textZayernouri, Mohsen, Wanrong Cao, Zhongqiang Zhang, and George Em Karniadakis. "Spectral and Discontinuous Spectral Element Methods for Fractional Delay Equations." SIAM Journal on Scientific Computing 36, no. 6 (January 2014): B904—B929. http://dx.doi.org/10.1137/130935884.
Full textHessari, Peyman, Sang Dong Kim, and Byeong-Chun Shin. "Numerical Solution for Elliptic Interface Problems Using Spectral Element Collocation Method." Abstract and Applied Analysis 2014 (2014): 1–11. http://dx.doi.org/10.1155/2014/780769.
Full textPeyvan, Ahmad, Jonathan Komperda, Dongru Li, Zia Ghiasi, and Farzad Mashayek. "Flux reconstruction using Jacobi correction functions in discontinuous spectral element method." Journal of Computational Physics 435 (June 2021): 110261. http://dx.doi.org/10.1016/j.jcp.2021.110261.
Full textZhao, J. M., and L. H. Liu. "Three-Dimensional Transient Radiative Transfer Modeling Using Discontinuous Spectral Element Method." Journal of Thermophysics and Heat Transfer 23, no. 4 (October 2009): 836–40. http://dx.doi.org/10.2514/1.39361.
Full textKopriva, David A. "Metric Identities and the Discontinuous Spectral Element Method on Curvilinear Meshes." Journal of Scientific Computing 26, no. 3 (March 2006): 301–27. http://dx.doi.org/10.1007/s10915-005-9070-8.
Full textPei, Chaoxu, Mark Sussman, and M. Yousuff Hussaini. "A space-time discontinuous Galerkin spectral element method for the Stefan problem." Discrete & Continuous Dynamical Systems - B 23, no. 9 (2018): 3595–622. http://dx.doi.org/10.3934/dcdsb.2017216.
Full textJoon-Ho Lee, Jiefu Chen, and Qing Huo Liu. "A 3-D Discontinuous Spectral Element Time-Domain Method for Maxwell's Equations." IEEE Transactions on Antennas and Propagation 57, no. 9 (September 2009): 2666–74. http://dx.doi.org/10.1109/tap.2009.2027731.
Full textDissertations / Theses on the topic "Discontinuous spectral element method"
De, Grazia Daniele. "Three-dimensional discontinuous spectral/hp element methods for compressible flows." Thesis, Imperial College London, 2016. http://hdl.handle.net/10044/1/40416.
Full textCitrain, Aurélien. "Hybrid finite element methods for seismic wave simulation : coupling of discontinuous Galerkin and spectral element discretizations." Thesis, Normandie, 2019. http://www.theses.fr/2019NORMIR28.
Full textTo solve wave equations in heterogeneous media with finite elements with a reasonable numerical cost, we couple the Discontinuous Galerkin method (DGm) with Spectral Elements method (SEm). We use hybrid meshes composed of tetrahedra and structured hexahedra. The coupling is carried out starting from a mixed-primal DG formulation applied on a hybrid mesh composed of a hexahedral macro-element and a sub-mesh composed of tetrahedra. The SEm is applied in the macro-element paved with structured hexahedrons and the coupling is ensured by the DGm numerical fluxes applied on the internal faces of the macro-element common with the tetrahedral mesh. The stability of the coupled method is demonstrated when time integration is performed with a Leap-Frog scheme. The performance of the coupled method is studied numerically and it is shown that the coupling reduces numerical costs while keeping a high level of accuracy. It is also shown that the coupled formulation can stabilize the DGm applied in areas that include Perfectly Matched Layers
Mengaldo, Gianmarco. "Discontinuous spectral/hp element methods : development, analysis and applications to compressible flows." Thesis, Imperial College London, 2015. http://hdl.handle.net/10044/1/28678.
Full textClaus, Susanne. "Numerical simulation of complex viscoelastic flows using discontinuous galerkin spectral/hp element methods." Thesis, Cardiff University, 2013. http://orca.cf.ac.uk/46909/.
Full textWintermeyer, Niklas [Verfasser], and Gregor [Gutachter] Gassner. "A novel entropy stable discontinuous Galerkin spectral element method for the shallow water equations on GPUs / Niklas Wintermeyer ; Gutachter: Gregor Gassner." Köln : Universitäts- und Stadtbibliothek Köln, 2019. http://d-nb.info/1182533183/34.
Full textVangelatos, Serena [Verfasser]. "On the Efficiency of Implicit Discontinuous Galerkin Spectral Element Methods for the Unsteady Compressible Navier-Stokes Equations / Serena Vangelatos." München : Verlag Dr. Hut, 2020. http://d-nb.info/1222352222/34.
Full textVangelatos, Serena [Verfasser], and Claus-Dieter [Akademischer Betreuer] Munz. "On the efficiency of implicit discontinuous Galerkin spectral element methods for the unsteady compressible Navier-Stokes equations / Serena Vangelatos ; Betreuer: Claus-Dieter Munz." Stuttgart : Universitätsbibliothek der Universität Stuttgart, 2020. http://d-nb.info/1206184051/34.
Full textSert, Cuneyt. "Nonconforming formulations with spectral element methods." Diss., Texas A&M University, 2003. http://hdl.handle.net/1969.1/1268.
Full textChaurasia, Hemant Kumar. "A time-spectral hybridizable discontinuous Galerkin method for periodic flow problems." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/90647.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (pages 110-120).
Numerical simulations of time-periodic flows are an essential design tool for a wide range of engineered systems, including jet engines, wind turbines and flapping wings. Conventional solvers for time-periodic flows are limited in accuracy and efficiency by the low-order Finite Volume and time-marching methods they typically employ. These methods introduce significant numerical dissipation in the simulated flow, and can require hundreds of timesteps to describe a periodic flow with only a few harmonic modes. However, recent developments in high-order methods and Fourier-based time discretizations present an opportunity to greatly improve computational performance. This thesis presents a novel Time-Spectral Hybridizable Discontinuous Galerkin (HDG) method for periodic flow problems, together with applications to flow through cascades and rotor/stator assemblies in aeronautical turbomachinery. The present work combines a Fourier-based Time-Spectral discretization in time with an HDG discretization in space, realizing the dual benefits of spectral accuracy in time and high-order accuracy in space. Low numerical dissipation and favorable stability properties are inherited from the high-order HDG method, together with a reduced number of globally coupled degrees of freedom compared to other DG methods. HDG provides a natural framework for treating boundary conditions, which is exploited in the development of a new high-order sliding mesh interface coupling technique for multiple-row turbomachinery problems. A regularization of the Spalart-Allmaras turbulence model is also employed to ensure numerical stability of unsteady flow solutions obtained with high-order methods. Turning to the temporal discretization, the Time-Spectral method enables direct solution of a periodic flow state, bypasses initial transient behavior, and can often deliver substantial savings in computational cost compared to implicit time-marching. An important driver of computational efficiency is the ability to select and resolve only the most important frequencies of a periodic problem, such as the blade-passing frequencies in turbomachinery flows. To this end, the present work introduces an adaptive frequency selection technique, using the Time-Spectral residual to form an inexpensive error indicator. Having selected a set of frequencies, the accuracy of the Time-Spectral solution is greatly improved by using optimally selected collocation points in time. For multi-domain problems such as turbomachinery flows, an anti-aliasing filter is also needed to avoid errors in the transfer of the solution across the sliding interface. All of these aspects contribute to the Adaptive Time-Spectral HDG method developed in this thesis. Performance characteristics of the method are demonstrated through applications to periodic ordinary differential equations, a convection problem, laminar flow over a pitching airfoil, and turbulent flow through a range of single- and multiple-row turbomachinery configurations. For a 2:1 rotor/stator flow problem, the Adaptive Time-Spectral HDG method correctly identifies the relevant frequencies in each blade row. This leads to an accurate periodic flow solution with greatly reduced computational cost, when compared to sequentially selected frequencies or a time-marching solution. For comparable accuracy in prediction of rotor loading, the Adaptive Time- Spectral HDG method incurs 3 times lower computational cost (CPU time) than time-marching, and for prediction of only the 1st harmonic amplitude, these savings rise to a factor of 200. Finally, in three-row compressor flow simulations, a high-order HDG method is shown to achieve significantly greater accuracy than a lower-order method with the same computational cost. For example, considering error in the amplitude of the 1st harmonic mode of total rotor loading, a p = 1 computation results in 20% error, in contrast to only 1% error in a p = 4 solution with comparable cost. This highlights the benefits that can be obtained from higher-order methods in the context of turbomachinery flow problems.
by Hemant Kumar Chaurasia.
Ph. D.
Bao, Weiyu. "Modelling excavations in discontinuous rock using the distinct element method." Thesis, University of Southampton, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.431928.
Full textBooks on the topic "Discontinuous spectral element method"
Lee, Usik. Spectral element method in structural dynamics. Singapore: J. Wiley & Sons Asia, 2009.
Find full textMeng, Sha. A spectral element method for viscoelastic fluid flow. Leicester: De Montfort University, 2001.
Find full textMavriplis, Catherine. Adaptive mesh strategies for the spectral element method. Hampton, Va: Institute for Computer Applications in Science and Engineering, 1992.
Find full textHu, Chang-Qing. A discontinuous Galerkin finite element method for Hamilton-Jacobi equations. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 1998.
Find full textBottasso, Carlo L. Discontinuous dual-primal mixed finite elements for elliptic problems. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 2000.
Find full textKarniadakis, George. Spectral/hp element methods for CFD. New York: Oxford University Press, 1999.
Find full textF, Doyle James. Application of the spectral element method to acoustic radiation. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 2000.
Find full textF, Doyle James. Application of the spectral element method to acoustic radiation. Hampton, Va: National Aeronautics and Space Administration, Langley Research Center, 2000.
Find full textBernardi, Christine. Coupling finite element and spectral methods: First results. Hampton, Va: ICASE, 1987.
Find full textCockburn, B. Runge-Kutta discontinuous Galerkin methods for convection-dominated problems. Hampton, VA: ICASE, NASA Langley Research Center, 2000.
Find full textBook chapters on the topic "Discontinuous spectral element method"
Komperda, Jonathan, and Farzad Mashayek. "Filtered Density Function Implementation in a Discontinuous Spectral Element Method." In Modeling and Simulation of Turbulent Mixing and Reaction, 169–80. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-2643-5_7.
Full textAltmann, Christoph, Andrea D. Beck, Florian Hindenlang, Marc Staudenmaier, Gregor J. Gassner, and Claus-Dieter Munz. "An Efficient High Performance Parallelization of a Discontinuous Galerkin Spectral Element Method." In Facing the Multicore-Challenge III, 37–47. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-35893-7_4.
Full textRedondo, C., F. Fraysse, G. Rubio, and E. Valero. "Artificial Viscosity Discontinuous Galerkin Spectral Element Method for the Baer-Nunziato Equations." In Lecture Notes in Computational Science and Engineering, 613–25. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-65870-4_44.
Full textOrtwein, P., T. Binder, S. Copplestone, A. Mirza, P. Nizenkov, M. Pfeiffer, T. Stindl, S. Fasoulas, and C. D. Munz. "Parallel Performance of a Discontinuous Galerkin Spectral Element Method Based PIC-DSMC Solver." In High Performance Computing in Science and Engineering ‘14, 671–81. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-10810-0_44.
Full textBeck, A., T. Bolemann, T. Hitz, V. Mayer, and C. D. Munz. "Explicit High-Order Discontinuous Galerkin Spectral Element Methods for LES and DNS." In Lecture Notes in Computational Science and Engineering, 281–96. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-22997-3_17.
Full textKopriva, David A., and Edwin Jimenez. "An Assessment of the Efficiency of Nodal Discontinuous Galerkin Spectral Element Methods." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design, 223–35. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-33221-0_13.
Full textFöll, Fabian, Sandeep Pandey, Xu Chu, Claus-Dieter Munz, Eckart Laurien, and Bernhard Weigand. "High-Fidelity Direct Numerical Simulation of Supercritical Channel Flow Using Discontinuous Galerkin Spectral Element Method." In High Performance Computing in Science and Engineering ' 18, 275–89. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-13325-2_17.
Full textBeck, Andrea, Thomas Bolemann, David Flad, Nico Krais, Jonas Zeifang, and Claus-Dieter Munz. "Application and Development of the High Order Discontinuous Galerkin Spectral Element Method for Compressible Multiscale Flows." In High Performance Computing in Science and Engineering ' 18, 291–307. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-13325-2_18.
Full textAtak, Muhammed, Andrea Beck, Thomas Bolemann, David Flad, Hannes Frank, and Claus-Dieter Munz. "High Fidelity Scale-Resolving Computational Fluid Dynamics Using the High Order Discontinuous Galerkin Spectral Element Method." In High Performance Computing in Science and Engineering ´15, 511–30. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-24633-8_33.
Full textBeck, Andrea, Thomas Bolemann, David Flad, Hannes Frank, Nico Krais, Kristina Kukuschkin, Matthias Sonntag, and Claus-Dieter Munz. "Application and Development of the High Order Discontinuous Galerkin Spectral Element Method for Compressible Multiscale Flows." In High Performance Computing in Science and Engineering ' 17, 387–407. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-68394-2_23.
Full textConference papers on the topic "Discontinuous spectral element method"
Sengupta, Kaustav, Farzad Mashayek, and Gustaaf Jacobs. "Large-Eddy Simulation Using a Discontinuous Galerkin Spectral Element Method." In 45th AIAA Aerospace Sciences Meeting and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2007. http://dx.doi.org/10.2514/6.2007-402.
Full textKrebs, J. R., S. S. Collis, N. J. Downey, C. C. Ober, J. R. Overfelt, T. M. Smith, B. G. van Bloemen-Waanders, and J. G. Young. "Full Wave Inversion Using a Spectral-Element Discontinuous Galerkin Method." In 76th EAGE Conference and Exhibition 2014. Netherlands: EAGE Publications BV, 2014. http://dx.doi.org/10.3997/2214-4609.20140707.
Full textKomperda, Jonathan, Zia Ghiasi, Farzad Mashayek, Abolfazl Irannejad, and Farhad A. Jaberi. "Filtered Mass Density Function for Use in Discontinuous Spectral Element Method." In 50th AIAA/ASME/SAE/ASEE Joint Propulsion Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2014. http://dx.doi.org/10.2514/6.2014-3471.
Full textRen, Qiang, Qiwei Zhan, and Qing Huo Liu. "Discontinuous Galerkin spectral elemen/finite element time domain (DGSE/FETD) method for anisotropic medium." In 2015 USNC-URSI Radio Science Meeting (Joint with AP-S Symposium). IEEE, 2015. http://dx.doi.org/10.1109/usnc-ursi.2015.7303365.
Full textAbbassi, Hessam, Farzad Mashayek, and Gustaaf B. Jacobs. "Entropy Viscosity Approach for Compressible Turbulent Simulations using Discontinuous Spectral Element Method." In 52nd Aerospace Sciences Meeting. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2014. http://dx.doi.org/10.2514/6.2014-0947.
Full textJoon-Ho Lee and Qing H. Liu. "Nanophotonic Applications of the Discontinuous Spectral Element Time-Domain (DG-SETD) Method." In 2007 IEEE Antennas and Propagation Society International Symposium. IEEE, 2007. http://dx.doi.org/10.1109/aps.2007.4396506.
Full textAbbassi, Hessam, John Komperda, Farzad Mashayek, and Gustaaf Jacobs. "Application of Entropy Viscosity Method for Supersonic Flow Simulation using Discontinuous Spectral Element Method." In 50th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2012. http://dx.doi.org/10.2514/6.2012-1115.
Full textFlad, David, Andrea D. Beck, Gregor Gassner, and Claus-dieter Munz. "A Discontinuous Galerkin Spectral Element Method for the direct numerical simulation of aeroacoustics." In 20th AIAA/CEAS Aeroacoustics Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2014. http://dx.doi.org/10.2514/6.2014-2740.
Full textDiosady, Laslo T., and Scott M. Murman. "DNS of Flows over Periodic Hills using a Discontinuous Galerkin Spectral-Element Method." In 44th AIAA Fluid Dynamics Conference. Reston, Virginia: American Institute of Aeronautics and Astronautics, 2014. http://dx.doi.org/10.2514/6.2014-2784.
Full textZhao, Jiazi, Yasong Sun, Yifan Li, and Changhao Liu. "INVESTIGATION OF COUPLED RADIATIONCONDUCTION HEAT TRANSFER IN CYLINDRICAL SYSTEMS BY DISCONTINUOUS SPECTRAL ELEMENT METHOD." In GPPS Xi'an21. GPPS, 2022. http://dx.doi.org/10.33737/gpps21-tc-258.
Full textReports on the topic "Discontinuous spectral element method"
Bui-Thanh, Tan, and Omar Ghattas. Analysis of an Hp-Non-conforming Discontinuous Galerkin Spectral Element Method for Wave. Fort Belvoir, VA: Defense Technical Information Center, April 2011. http://dx.doi.org/10.21236/ada555327.
Full textKershaw, D., and J. Harte. 2D deterministic radiation transport with the discontinuous finite element method. Office of Scientific and Technical Information (OSTI), November 1993. http://dx.doi.org/10.2172/10110565.
Full textGiraldo, F. X., and M. A. Taylor. A Diagonal Mass Matrix Triangular Spectral Element Method based on Cubature Points. Fort Belvoir, VA: Defense Technical Information Center, January 2006. http://dx.doi.org/10.21236/ada486707.
Full textSofu, Tanju, and Dillon Shaver. LARGE EDDY SIMULATION OF RANDOM PEBBLE BED USING THE SPECTRAL ELEMENT METHOD. Office of Scientific and Technical Information (OSTI), June 2022. http://dx.doi.org/10.2172/1878210.
Full textLarmat, Carene, Esteban Rougier, and Zhou Lei. w17_geonuc "Application of the Spectral Element Method to improvement of Ground-based Nuclear Explosion Monitoring". Office of Scientific and Technical Information (OSTI), March 2019. http://dx.doi.org/10.2172/1499318.
Full textLarmat, Carene, Esteban Rougier, and Zhou Lei. W17_geonuc “Application of the Spectral Element Method to improvement of Ground-based Nuclear Explosion Monitoring”. Office of Scientific and Technical Information (OSTI), February 2018. http://dx.doi.org/10.2172/1422942.
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