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4篇 您的检索式:作者名="S.CHUN"
    题名 作者 年代 出处 被引量
1Pediatric inflammatory myofibroblastic tumor: Anaplastic lymphoma kinase (ALK) expression and prognosis显示文摘Yun S.Chun LinanWang Antonio G.Nascimento Christopher R.Moir David A.Rodeberg 2005Pediatr Blood Cancer2005,,6:1
2Sedimentation on a wave‐dominated, open‐coast tidal flat, south‐western Korea: summer tidal flat – winter shoreface – reply显示文摘R. W.DALRYMPLE B. C.YANG S. S.CHUN 2006Sedimentology2006,,3:1
3Modeling of the Frozen Mode Phenomenon and its Sensitivity Using Discontinuous Galerkin Methods显示文摘We investigate the behavior and sensitivity of the frozen mode phenomenon in finite structures with anisotropic materials,including both magnetic materials and non-normal incidence.The studies are done by using a high-order accurate discontinuous Galerkin method for solving Maxwells equations in the time domain.We confirm the existence of the phenomenon also in the time-domain and study carefully the impact of the finite crystal on the frozen mode.This sets the stage for a thorough study of the robustness of the frozen mode phenomenon,resulting in guidelines for which design parameters are most sensitive and acceptable tolerances.S.Chun J.S.Hesthaven 2007Communications in Computational Physics2007,2,4:0
4PDE Constrained Optimization and Design of Frozen Mode Crystals显示文摘We explore the use of PDE constrained nonlinear optimization techniques to optimize and design electromagnetic crystals which exhibit frozen mode behavior.This is characterized by Van Hove singularities in the dispersion relation,e.g.,stationary reflection points and degenerate band edge points.Hence,the optimization process modifies the dispersion relation by adjusting the geometries and material parameters.The resulting algorithm is found to be capable of recovering all known crystal configurations as well as many new configurations,some of which display dramatically improved properties over previously used configuration.We investigate both gyrotropic photonic crystals and degenerate band edge crystals as well as the more complex case of the oblique incidence.In this latter case,we extend the investigation to the three-dimensional case to identify the first three-dimensional crystal exhibiting frozen mode behavior.S.Chun J.S.Hesthaven 2008Communications in Computational Physics2008,3,4:0
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