Institut for Mekanik og Produktion

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Langthjem, M. A. (2025). Asymptotic approximations and stability of a propagating bucklewave. Zeitschrift fuer Angewandte Mathematik und Physik, 76(5), Artikel 193. https://doi.org/10.1007/s00033-025-02568-w
Langthjem, M. A. & Jensen, H. M. (2025). Erratum to: On matched asymptotic expansion solutions of a bucklewave propagation problem (ZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, (2024), 104, 5, 10.1002/zamm.202300655). Zeitschrift fuer Angewandte Mathematik und Mechanik, 105(5), Artikel e70095. https://doi.org/10.1002/zamm.70095
Langthjem, M. A. & Jensen, H. M. (2024). On matched asymptotic expansion solutions of a bucklewave propagation problem. Zeitschrift fuer Angewandte Mathematik und Mechanik, 104(5), 1. Artikel e202300655. https://doi.org/10.1002/zamm.202300655
Langthjem, M. A., Imura, M. & Yamaguchi, K. (2023). The unbalanced rotating cylinder partially filled with fluid; multiple scales analysis of a forced Korteweg–de Vries–Burgers equation. Journal of Engineering Mathematics, 140, Artikel 1. https://doi.org/10.1007/s10665-023-10259-6, https://doi.org/10.1007/s10665-023-10259-6
Matsuura, K., Mukai, K. & Langthjem, M. A. (2023). Computational and Experimental Study on the Mechanism of Ring Tone. International Journal of Computational Methods and Experimental Measurements, 11(1), 9-16. https://doi.org/10.18280/ijcmem.110102
Langthjem, M. A. (2022). On the stability of a doubly infinite vortex array. Theoretical and Computational Fluid Dynamics, 36(3), 369-385. https://doi.org/10.1007/s00162-022-00604-3
Langthjem, M. A. & Jensen, H. M. (2022). Propagating buckles in undersea pipelines – A model problem. International Journal of Solids and Structures, 257, Artikel 111555. https://doi.org/10.1016/j.ijsolstr.2022.111555
Langthjem, M. A. & Nakano, M. (2021). On the acoustic trapped modes and their symmetry properties in a circular cylindrical waveguide with a cavity. Journal of Engineering Mathematics, 128(1), Artikel 14. https://doi.org/10.1007/s10665-021-10126-2
Matsuura, K., Mukai, K. & Langthjem, M. A. (2021). Computational and experimental study on ring tone. I S. Hernández & A. Coruña (red.), Advances in Fluid Dynamics with emphasis on Multiphase and Complex Flow (s. 141-151). WIT Press. https://doi.org/10.2495/MPF210121
Sugiyama, Y., Langthjem, M. A. & Katayama, K. (2021). Shape‐optimized Cantilevered Columns under a Rocket‐based Follower Force. I N. Challamel, J. Kaplunov & I. Takewaki (red.), Modern Trends in Structural and Solid Mechanics 1: Statics and Stability (s. 201-228). Wiley. https://doi.org/10.1002/9781119831891.ch10
Yamaguchi, Y., Langthjem, M. A. & Kosawada, T. (2020). Study on the Self-excited Vibration in Cylindrical Plunge Grinding Process. I Proceedings of the 15th International Conference on Motion and Vibration (MoViC 2020) Japan Society of Mechanical Engineers. https://doi.org/10.1299/jsmeintmovic.2020.15.10021
Langthjem, M. A. (2019). An energy analysis of a fluttering flag. RIMS Kokyuroku, 2128, 164-172.
Langthjem, M. A. (2019). On the mechanism of flutter of a flag. Acta Mechanica, 230(10), 3759-3781. https://doi.org/10.1007/s00707-019-02478-9
Sugiyama, Y., Langthjem, M. A. & Katayama, K. (2019). Dynamic Stability of Columns under Non-conservative Forces: Theory and Experiment. Springer, Cham. Solid Mechanics and its Applications Bind 255 https://doi.org/10.1007/978-3-030-00572-6
Langthjem, M. A. & Nakano, M. (2018). A combined analytical and numerical analysis of the flow-acoustic coupling in a cavity-pipe system. Theoretical and Computational Fluid Dynamics, 32(4), 451-473. https://doi.org/10.1007/s00162-018-0462-4
Langthjem, M. A. & Nakamura, T. (2014). Dynamics of the fluid balancer. Journal of Fluids and Structures, 51, 1-19. https://doi.org/10.1016/j.jfluidstructs.2014.06.020
Langthjem, M. A. & Nakano, M. (2010). Numerical study of the hole-tone feedback cycle based on an axisymmetric formulation. Fluid Dynamics Research, 42(1), Artikel 015008. https://doi.org/10.1088/0169-5983/42/1/015008
Langthjem, M. A. & Nakamura, T. (2007). Influence of swirl on the stability of a rod in annular leakage flow. Journal of Fluids and Structures, 23(2), 329-337. https://doi.org/10.1016/j.jfluidstructs.2006.08.013
Sugiyama, Y. & Langthjem, M. A. (2007). Physical mechanism of the destabilizing effect of damping in continuous nonconservative dissipative systems. International Journal of Non-Linear Mechanics, 42(1), 132-145. https://doi.org/10.1016/j.ijnonlinmec.2006.11.011
Langthjem, M. A., Morita, H., Nakamura, T. & Nakano, M. (2006). A flexible rod in annular leakage flow: Influence of turbulence and equilibrium offset, and analysis of instability mechanisms. Journal of Fluids and Structures, 22(5), 617-645. https://doi.org/10.1016/j.jfluidstructs.2006.03.002
Langthjem, M. A. & Nakano, M. (2005). A numerical simulation of the hole-tone feedback cycle based on an axisymmetric discrete vortex method and Curle's equation. Journal of Sound and Vibration, 288(1-2), 133-176. https://doi.org/10.1016/j.jsv.2004.12.023
Langthjem, M. A. & Olhoff, N. (2004). A numerical study of flow-induced noise in a two-dimensional centrifugal pump: Part I. Hydrodynamics. Journal of Fluids and Structures, 19(3), 349-368. https://doi.org/10.1016/j.jfluidstructs.2004.01.003
Langthjem, M. A. & Olhoff, N. (2004). A numerical study of flow-induced noise in a two-dimensional centrifugal pump: Part II. Hydroacoustics. Journal of Fluids and Structures, 19(3), 369-386. https://doi.org/10.1016/j.jfluidstructs.2004.01.002
Langthjem, M. A. & Olhoff, N. (2003). Modal expansion of the perturbation velocity potential for a cantilevered fluid-conveying cylindrical shell. Journal of Fluids and Structures, 17(1), 147-161. https://doi.org/10.1016/S0889-9746(02)00113-5
Sugiyama, Y., Ryu, S.-U. & Langthjem, M. A. (2002). Beck’s columns as the ugly duckling. Journal of Sound and Vibration, 254(2), 407-410. https://doi.org/10.1006/jsvi.2002.5003
Madsen, J. I. & Langthjem, M. A. (2001). Multifidelity response surface approximations for the optimum design of diffuser flows. Optimization and Engineering, 2(4), 453-468.
Langthjem, M. A. & Sugiyama, Y. (2000). Dynamic stability of columns subjected to follower loads: A survey. Journal of Sound and Vibration, 238(5), 809-851. https://doi.org/10.1006/jsvi.2000.3137
Langthjem, M. A. & Sugiyama, Y. (2000). Optimum design of cantilevered columns under the combined action of conservative and non- conservative loads: Part II: The damped case. Computers & Structures, 74, 399-408.
Langthjem, M. A. & Sugiyama, Y. (2000). Optimum design of cantilevered columns under the combined action of conservative and nonconservative loads: Part I: The undamped case. Computers & Structures, 74(4), 385-398. https://doi.org/10.1016/S0045-7949(99)00050-4
Langthjem, M. A. & Sugiyama, Y. (1999). Optimum shape design against flutter of a cantilevered column with an end-mass of finite size subjected to a nonconservative load. Journal of Sound and Vibration, 226(1), 1-23. https://doi.org/10.1006/jsvi.1999.2211
Langthjem, M. A. & Sugiyama, Y. (1999). Vibration and stability analysis of cantilevered two-pipe systems conveying different fluids. Journal of Fluids and Structures, 13(2), 251-268. https://doi.org/10.1006/jfls.1998.0197
Sugiyama, Y., Langthjem, M. A. & Ryu, B.-J. (1999). Realistic follower forces. Journal of Sound and Vibration, 225(4), 779-782. https://doi.org/10.1006/jsvi.1998.2290
Langthjem, M. A. (1995). Finite element analysis and optimization of a fluid-conveying pipe. Mechanics Based Design of Structures and Machines, 23(3), 343-376. https://doi.org/10.1080/08905459508905242
Revideret 13.11.2025
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Mikael Andersen Langthjem