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About 10,000 papers for “Normal mode”
2024
Citation: 'normal mode' in the IUPAC Compendium of Chemical Terminology, 5th ed.; International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.08648 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms. Requests for commercial usage of the compendium should be directed to IUPAC.
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Martin H. Weik · 2000
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Martin H. Weik · 2000
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Madhusudhan Y Reddy · Montana State University ScholarWorks (Montana State University) · 2015
The program consists of a Graphical User Interface (GUI) and related software for representing Normal Modes within the molecular structure.The first stage of this project involves reading the molecular structure from the data files and displaying the molecular structure on the screen.The second stage involves representing the Normal Modes within the molecule using a color code.The Graphical User Interface is built using X and Motif.The GUI consists of the following: o A ScrolledWindow which enables the user to scroll through a larger drawing area containing the molecular structure by sliding the ScrollBars.o A set of PushButtons which enables the user to perform functions such as: 1. selecting a data file; 2. plotting the molecular structure; 3. drawing the molecular bonds; 4. selecting the Normal Mode/Frequency to be displayed; 5. displaying the selected Normal Mode/Frequency, 6. displaying the chart for the color code.We can also select a set of atoms by clicking on the screen and display the molecular vibrations corresponding to the most significant Normal Mode pertaining to that set of atoms.o A ScaleWidget which enables the user to scale the figure by moving the slider, o Three ScaleWidgets for rotating the figure around the three axes of rotation.All the child widgets respond appropriately to resize requests from the parent widget.
Cited by 0Open access
Qi Huang (148030), Monika Tokmina-Lukaszewska (2849579), Lewis E. Johnson (1401010) et al. · Figshare · 2021
<p>Top 9 normal modes of the ATP-bound nitrogenase complex (top panels) and their influences on the mechanical coupling between (A) Fe<sub>1</sub> and α<sub>1</sub>β<sub>1</sub>, (B) Fe<sub>1</sub> and Fe<sub>2</sub>, (C) P-loops in Fe<sub>1</sub> and P-loops in Fe<sub>2</sub>; (D) overlap between the normal modes of the ATP-bound nitrogenase and the vector describing the displacement of the Fe protein that takes place upon ATP hydrolysis as inferred from the ATP- and ADP-bound crystal structures.</p>
Cited by 0Open access
Jian Yao (19678), Weiyu Qu (16556638), Dongmei Tian (148606) et al. · Figshare · 2025
<div> The all-terrain rescue lift vehicle is instrumental in mining emergency rescue operations, with its operational stability being of utmost importance. This study focuses on the XZJ5240JQZ30 all-terrain rescue lift vehicle, optimizing its vehicle structure and steering system. A linear 2DOF model and a PID gain model were developed based on actual vehicle parameters. A feedback system was employed to adjust the rear-wheel steering angle, enabling four-wheel steering (4WS) vehicle control. Numerical simulations were conducted using TruckSim and Simulink software. Utilizing the classic Double lane-change scenario as a test scenario, the study compared variations in the vehicle's centroid slip angle and yaw rate at different speeds, analyzing the impact of PID gain on steering stability. Moreover, the relationship between the centroid height and 4WS vehicle stability at low speeds was examined. Based on these findings, practical application tests were performed on the XZJ5240JQZ30 all-terrain rescue lift vehicle, obtaining relevant data on steering angle error. The results indicate that vehicles equipped with the PID-optimized control system demonstrate significantly higher steering stability than those without it. Furthermore, in practical applications, the actual steering angle closely aligns with the theoretical values. This demonstrates that the proposed optimized control system has substantial practical application value. </div>
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Martin H. Weik · 2000
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Focus on structural biology · 2006
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Roger Daley · Reviews of Geophysics · 1981
The baroclinic primitive equation models used for short‐ and medium‐range weather forecasting admit undesirable high‐frequency gravity waves. The gravity waves are excited by initial imbalances between the observed wind and mass fields and by inconsistencies between model and atmosphere. Over the years, many initialization techniques have been devised to balance the initial state, but without notable success. The recent introduction of normal mode initialization techniques has, to a large degree, solved the problem. The present review will discuss the development of the technique from first principles, introduce the slow manifold concept, and discuss successful applications and remaining problems.
Cited by 97
2005
Normal mode theory and harmonic potential approximations Konrad Hinsen All-atom normal mode calculations of large molecular systems using iterative methods Liliane Mouawad and David Perahia The Gaussian network model: Theory and applications A.J. Radar, Chakra Chennubhotla, Lee-Wei Yang, Ivet Bahar Normal mode analysis of macromolecules: from enzyme activity site to molecular machines Guohui Li, Adam Van Wynsbergh, Omar N.A. Demerdash, Qiang Cui Functional information from slow mode shapes Yves-Henri Sanejouand Unveiling molecular mechanisms of biological functions in large macromolecular assemblies using elastic network normal mode analysis Florence Tama, Charles L. Brooks III Applications of normal mode analysis in structural refinement of supramolecular complexes Jianpeng Ma Normal mode analysis in studying protein motions with x-ray crystallography George N. Phillips, Jr. Optimizing the parameters of the Gaussian network model for ATP-binding proteins Taner Z. Sen, Robert L. Jernigan Effects of sequence, cyclization, and superhelical stress on the internet motions of DNA Atsushi Matsumoto, Wilma K. Olson Symmetry in normal mode analysis of icosahedral viruses Herman W.T. van Vlijmen Extension of the normal mode concept: Principal component analysis, jumping-among-minima model, and their applications to experimental data analysis Akio Kitao Imaginary-frequency, unstable instantaneous normal modes, the potential energy landscape, and diffusion in liquids T.Keyes Driven molecular dynamics for normal modes of biomolecules without the Hessian, and beyond Martina Kaledin, Alexey L. Kaledin, Alex Brown, and Joel Bowman Probing vibrational energy relaxation in proteins using normal modes Hiroshi Fujisaki, Lintao Bu, and John E. Straub Anharmonic decay of vibrational state in proteins Xin Yu, David M. Leitner Collective coordinate approaches to extended conformational sampling Michael Nilges, Rogher Abseher Using collective coordinates to guide conformational sampling in atomic simulations Haiyan Liu, Zhiyong Zhang, Jianbin He, Yunyu Shi
Cited by 265
SpringerReference · 2011
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Martin H. Weik · 2000
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SpringerReference · 2011
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Hiqmet Kamberaj · Scientific computation · 2023
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Martin H. Weik · 2000
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Masato Sugi · Journal of the Meteorological Society of Japan Ser II · 1986
Cited by 33Open access
Michael S. Chapman · Structure · 2007
Cited by 1Open access
Gary H. Brooke · The Journal of the Acoustical Society of America · 1983
The attenuation of normal modes due to viscous-type absorption losses in a layered bottom is examined. A standard perturbational approach is used to relate the modal attenuation coefficient to the energy stored and the power flow in each mode and to the intrinsic viscous loss in each layer. As such, the method is straightforwardly applied to geoacoustic waveguide configurations involving solid layers. Numerical examples are presented which illustrate the relationship between normal mode attenuation and energy concentration in the various layers.
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Einar N. Strømmen · Structural Dynamics · 2024
In this chapter we develop the equilibrium conditions in modal degrees of freedom, in discrete as well as continuous formats.
Cited by 0Open access
Petracca, S, Pinto, I M, Ruggiero, F · CERN Document Server (European Organization for Nuclear Research) · 1996
Incoherent and coherent tune shifts and Laslett coefficients are shown to form a second rank tensor.They can still be defined and computed by introducing normal modes.Circular and square section liners within a circular bore yoke with finite magnetic permeability are compared, in the frame of the LHC design.
Cited by 0Open access