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This paper presents a scheduling framework that is configured for, and used in physic systems. Our work addresses the problem of scheduling various computationally intensive and data intensive applications that are required for extracting…

分布式、并行与集群计算 · 计算机科学 2008-12-12 Florin Pop

We present a new and efficient optimization method to determine the structure of disordered systems in agreement with available experimental data. Our approach permits the application of accurate electronic structure calculations within the…

材料科学 · 物理学 2014-06-23 Jan H. Los , Thomas D. Kühne

In this paper a phase-field approach for structural topology optimization for a 3D-printing process which includes stress constraint and potentially multiple materials or multiscales is analyzed. First order necessary optimality conditions…

We consider near-critical two-dimensional statistical systems at phase coexistence on the half plane with boundary conditions leading to the formation of a droplet separating coexisting phases. General low-energy properties of…

统计力学 · 物理学 2022-12-02 Alessio Squarcini , Antonio Tinti

Fluid-structure interactions are central to many bio-molecular processes, and they impose a great challenge for computational and modeling methods. In this paper, we consider the immersed boundary method (IBM) for biofluid systems, and to…

数值分析 · 数学 2021-10-13 Yushuang Luo , Xiantao Li , Wenrui Hao

In this article, we present a general mode-conversion algorithm allowing to build an optical system composed of an alternation of phase masks and free propagations. The originality of our approach lies in the introduction of free parameters…

计算物理 · 物理学 2020-06-08 Nicolas Barré

Ginzburg-Landau model with two order parameters appears in many condensed-matter problems. However, even for scalar order parameters, the most general U(1)-symmetric Landau potential with all quadratic and quartic terms contains 13…

其他凝聚态物理 · 物理学 2015-02-18 I. P. Ivanov

We discuss orientational order in two dimensions in the context of systems with competing isotropic interactions at different scales. We consider an extension of the Brazovskii model for stripe phases including explicitly quartic terms with…

软凝聚态物质 · 物理学 2009-05-20 Daniel G. Barci , Daniel A. Stariolo

Heterogeneous interfaces are central to many energy-related applications in the nanoscale. From the first-principles electronic structure perspective, one of the outstanding problems is accurately and efficiently calculating how the…

材料科学 · 物理学 2023-08-29 Zhen-Fei Liu

We propose a general strategy for reduced order modeling of systems that display highly nonlinear oscillations. By considering a continuous family of forced periodic orbits defined in relation to a stable fixed point and subsequently…

动力系统 · 数学 2023-02-07 Dan Wilson , Kai Sun

The knowledge of receiver beam shapes is essential for accurate radio interferometric imaging. Traditionally, this information is obtained by holographic techniques or by numerical simulation. However, such methods are not feasible for an…

天体物理仪器与方法 · 物理学 2013-07-19 Sarod Yatawatta

Quasi-one-dimensional quantum structures with spectra scaling faster than the square of the eigenmode number (superscaling) can generate intrinsic, off-resonant optical nonlinearities near the fundamental physical limits, independent of the…

光学 · 物理学 2015-10-28 Rick Lytel , Sean M. Mossman , Mark G. Kuzyk

We present an efficient scheme for accurate electronic structure interpolations based on the systematically improvable optimized atomic orbitals. The atomic orbitals are generated by minimizing the spillage value between the atomic basis…

材料科学 · 物理学 2015-05-20 Mohan Chen , G-C Guo , Lixin He

We construct frames adapted to a given cover of the time-frequency or time-scale plane. The main feature is that we allow for quite general and possibly irregular covers. The frame members are obtained by maximizing their concentration in…

泛函分析 · 数学 2015-04-27 Monika Dörfler , José Luis Romero

Quantum Approximate Optimization Algorithm (QAOA) is a promising quantum heuristic with empirical evidence of speedup over classical state-of-the-art for some problems. QAOA uses a parameterized circuit with $p$ layers, where higher $p$…

Interfacial energy plays an important role in equilibrium morphologies of nanosized microstructures of solid materials due to the high interface-to-volume ratio, and can no longer be neglected as it does in conventional mechanics analysis.…

数值分析 · 数学 2012-10-22 Xujun Zhao , Stéphane P. A. Bordas , Jianmin Qu

Incremental methods for structure learning of pairwise Markov random fields (MRFs), such as grafting, improve scalability by avoiding inference over the entire feature space in each optimization step. Instead, inference is performed over an…

机器学习 · 计算机科学 2018-05-22 Walid Chaabene , Bert Huang

Topology optimization is used for the design of high-performance structures but remains fundamentally limited by its iterative nature, requiring repeated finite element analyses that prevent real-time deployment and large-scale design…

计算工程、金融与科学 · 计算机科学 2026-04-07 Aaron Lutheran , Srijan Das , Alireza Tabarraei

Man-made environments typically comprise planar structures that exhibit numerous geometric relationships, such as parallelism, coplanarity, and orthogonality. Making full use of these relationships can considerably improve the robustness of…

计算机视觉与模式识别 · 计算机科学 2019-05-21 Yangbin Lin , Jialian Li , Cheng Wang , Zhonggui Chen , Zongyue Wang , Jonathan Li

Network structure optimization is a fundamental task in complex network analysis. However, almost all the research on Bayesian optimization is aimed at optimizing the objective functions with vectorial inputs. In this work, we first present…

机器学习 · 统计学 2018-11-07 Jiaxu Cui , Bo Yang