Results 101 to 110 of about 28,665,543 (293)

Operational modal analysis with non stationnary inputs [PDF]

, 2013
Operational modal analysis (OMA) techniques enable the use of in-situ and uncontrolled vibrations to be used to lead modal analysis of structures. In reality operational vibrations are a combination of numerous excitations sources that are much more ...
Michon, Guilhem, Morlier, Joseph, Coulange, Baptiste, Gouache, Thibault   +3 more
core  

Soft motions encoded by the fold and mediated by conserved hinge sites drive V‐ATPase allosteric machinery and autoinhibition

FEBS Letters, EarlyView.
Vacuolar H+‐ATPase (V‐ATPase) is a multisubunit rotary proton pump that acidifies intracellular compartments. Using elastic network models, we identified conserved hinge residues that govern its large‐scale functional motions. We show that intrinsically encoded ‘soft modes’ drive critical functional transitions, including rotary catalysis and ...
Diksha Parwana, Xiaowei Bogetti, Stuti Sharma, Ivet Bahar   +3 more
wiley   +1 more source

Damage localization using experimental modal parameters and topology optimization [PDF]

, 2010
This work focuses on the developement of a damage detection and localization tool using the Topology Optimization feature of MSC.Nastran. This approach is based on the correlation of a local stiness loss and the change in modal parameters due to damages ...
Niemann, Hanno, Morlier, Joseph, Gourinat, Yves, Shahdin, Amir, Joseph Morlier, Hanno Niemann, Yves Gourinat, Amir Shahdin   +7 more
core   +1 more source

Comparing the paths of Hedgehog release in artificial and natural settings

FEBS Letters, EarlyView.
Hh morphogens require solubilization factors to overcome their tight association with the plasma membrane and signal to distant cells, but the precise functions of these factors are controversial. Here, we use published in vivo observations as the most relevant evidence to test their suggested functions and discuss contradictions and gaps between in ...
Janna Puschmann, Kay Grobe
wiley   +1 more source

Dynamic identification of moumental and historical minaret of the Sehadet

, 2015
Modal analysis has been used in three decades in the civil engineering disciplines in order to solve complex structural dynamic problems. In this study, dynamic parameter such as fundamental frequency, mode shapes and damping ratios of minaret of Sehadet
Livaoǧlu, Ramazan, Bağbancı, Bilal, Serhatoğlu, Cavit   +2 more
core  

Experimental Modal Analysis – A Tool for Unbalance Identification of Rotating Machines

International Journal of Rotating Machinery, 2000
In this paper a method is proposed for unbalance identification ofelastic rotors. The method is essentially based on the rotordynamic theory combined with experimental modal analysis and allows to identify the unbalance distribution on the complete rotor.
T. Kreuzinger-Janik, H. Irretier
doaj   +1 more source

How structural disorder and polyelectrolyte properties of prothymosin α enable its large interactome

FEBS Letters, EarlyView.
In this review, complexes of the fully disordered and highly negatively charged prothymosin α are collected, described, and discussed. Linked to its poly‐electrostatic character, prothymosin α engages a large interactome through multiple different binding modes ranging from fully disordered complexes to short linear motif (SLiM)‐driven interactions ...
Ketty C. Tamburrini, Freia S. Buus, Benjamin Schuler, Birthe B. Kragelund   +3 more
wiley   +1 more source

Experimental modal identification of an existent earthen residential building [PDF]

, 2013
The paper presents the preliminary round of in-situ experimental tests carried out at “Hotel Comercio”, a historical construction located at the historical centre of Lima (capital of Peru). The building is a three story republican-type construction built
Aguilar, Rafael, Daniel Torrealva, C. Chácara, Chácara, C., Torrealva, D., Ramos, Luís F., Luis F. Ramos, Rafael Aguilar   +7 more
core   +2 more sources

Theoretical-Experimental Modal Analysis of a Flexible Rotor Based on the Jeffcott Model

Ingeniería
Context: Rotating equipment that operates at high speeds or handles significant loads is designed based on the concept of flexible shafts. This is the case with turbines, compressors, and turbopumps, among others.
Javier Ruíz-Rodríguez, Brian Farid Morales-Hernández, Heller Guillermo Sánchez-Acevedo   +2 more
doaj   +1 more source

Mitochondrial translation and coordinated cytosolic translation in metabolic homeostasis and disease

FEBS Letters, EarlyView.
Mitochondrial function depends on coordinated protein production from the nuclear and mitochondrial genomes. This review highlights how cytosolic and mitochondrial translation, mRNA localization, protein import, and respiratory complex assembly are integrated to maintain mitochondrial proteostasis and function.
Boseon Kim, Thi Thanh Mai Tran, Nakyung Kang, Min‐Woo Lee, Mihye Lee   +4 more
wiley   +1 more source