NSTL国家科技图书文献中心

1. An In-Bore Projectile and a Flexible Tube Seen as a Superelement in Launch Dynamics Using Reduced Multibody System Transfer Matrix Method NSTL国家科技图书文献中心

Qinbo Zhou | Jianshu Zhang ... - 《Proceedings of the 2nd International Conference on Mechanical System Dynamics, v.3: ICMSD2023》 - International Conference on Mechanical System Dynamics - 2024, - 2161～2174 - 共14页

摘要： tube and the rigid projectile as a superelement* and* | of the superelement. The kinematics and kinetics of | the superelement* are analyzed and then used as basic* | Launch dynamics of multibody systems (LDMS | ) studies the forces and motions of the rigid-flexible

关键词： Launch dynamics | Marching fire | Superelement | Multibody system transfer matrix method

2. РАСЧЕТ НАПРЯЖЕННО-ДЕФОРМИРОВАННОГО СОСТОЯНИЯ АРМИРОВАННЫХ СТЕРЖНЕЙ ПРИ ВНЕЦЕНТРЕННОМ СЖАТИИ С МАЛЫМ ЭКСЦЕНТРИСИТЕТОМ NSTL国家科技图书文献中心

Владимир Васильевич ... | Ольга Викторовна Пет... - 《Известия высших учебных заведений. Строительство》 - 2024,(5 TN.785) - 5～24 - 共20页

摘要：Построены математическая модель и алгоритм | 《сквозного》 расчета процесса деформирования внецентренно | сжатой железобетонной колонны от начала нагружения до | начала разрушения. Колонна рассматривается как | 《аналитический суперэлемент》. Разбираются различные

关键词： железобетон | внецентренное сжатие | суперэлемент | сплайн-аппроксимация | аналитический суперэлемент | reinforced concrete | eccentric compression | superelement | spline approximation | analytical superelement

3. Nonstationary random vibration analysis of cracked plates by SFBEM-FEM coupling method NSTL国家科技图书文献中心

Cheng Su | Kemin Cai - 《Engineering analysis with boundary elements》 - 2024,165(Aug.) - 105782.1～105782.11 - 共11页

摘要：, a cracked superelement* is first proposed to model* | matrix of the cracked superelement* are formulated by* | solutions. The proposed superelement* is then incorporated* | backward analysis of the cracked superelement* with SFBEM* | Dynamic reliability analysis of crack problems

关键词： Dynamic stress intensity factor | Initial crack propagation | Random vibration | Dynamic reliability | Finite element method | Spline fictitious boundary element method

4. Re-Integrating a Reduced-Order Model into Finite Element Environment for Thermo-Mechanical Reliability Analysis in Microelectronics NSTL国家科技图书文献中心

Chengdong Yuan | Sönke Maeter ... - 《2024 IEEE 10th Electronics System-Integration Technology Conference,[v.1]》 - IEEE Electronics System-Integration Technology Conference - 2024, - 1～6 - 共6页

摘要： superelement model of a package, which is extracted from the | superelement into finite element environment speeds up the | Model order reduction technology is capable of | generating highly accurate, but compact reduced-order | models from large-scale finite element models. Such

关键词： Analytical models | Accuracy | Computational modeling | Thermomechanical processes | Supply chains | Printed circuits | Reduced order systems | Finite element analysis | Microelectronics | Integrated circuit modeling

5. Dynamic substructuring for mechanical systems with frequency-dependent materials using a POD-based model reduction method NSTL国家科技图书文献中心

Berthet, Alexandre | Perrey-Debain, Emman...... - 《Journal of Sound and Vibration》 - 2024,569 - ARTN 117941～ - 共14页

摘要： superelement for the dynamic analysis of elastic structures | Based on the Balanced Truncation approach, a | novel methodology for the construction of a | made with viscoelastic materials is presented | . Contrary to classical modal reduction techniques (Craig

关键词： Dynamic substructuring | Model order reduction | Viscoelastic materials | Golla-Hughes-McTavish | POD/snapshots | LINEAR-SYSTEMS

6. Derivation of a superelement with deformable interfaces – applied to model flexure joint NSTL国家科技图书文献中心

Dwarshuis Koen | Ellenbroek Marcel ... - 《Multibody system dynamics》 - 2023,59(4) - 485～508 - 共24页

摘要： modelled using superelements. Such a superelement | -node superelement* (GMS) that was defined in* | Abstract Design and optimization, as well as | real time control, of flexure mechanisms require | efficient but accurate models. The flexures can be

关键词： Model order reduction | Interface reduction | Flexible multibody dynamics | Higher order beam theory | Multipoint constraint | Lagrange multipliers | Master–slave elimination

7. A SFBEM-FEM coupling method for solving crack problems based on Erdogan fundamental solutions EI 工程索引 NSTL国家科技图书文献中心

Su, Cheng | Cai, Kemin ... - 《Journal of Engineering Mathematics》 - 2023,138(1) - ARTN 3～ - 共19页

摘要： analysis, a cracked superelement* is first established* | the cracked superelement* is formulated using the* | superelement is further incorporated into a finite element | of the superelement, the stress intensity factors | The boundary element method (BEM) has proven

关键词： Crack problem | Coupling method | Erdogan fundamental solutions | Finite element method | Stress intensity factor | Spline fictitious boundary element method | RELIABILITY-ANALYSIS | ELEMENT-METHOD | BOUNDARY | RADIATION

8. Effect of Rotor Excitation on Order Noise of Permanent Magnet Synchronous Motor NSTL国家科技图书文献中心

Cai Hui | Niu Wenbo ... - 《Proceedings of China SAE Congress 2021: Selected Papers, Set 1: China SAE Congress, Oct. 19-21, 2021, Shanghai, China》 - China SAE Congress - 2023, - 345～357 - 共13页

摘要： with superelement. Secondly, the modal results of the | motor assembly simplified with superelement* are* | rotor with the superelement* is verified in this paper* | Only the electromagnetic force on the stator | is applied when calculating the radiated noise of

关键词： Permanent magnet synchronous motor | Rotor excitation | Order noise

9. A Multiscale Modeling and Updating Framework for Suspension Bridges Based on Modal Frequencies and Influence Lines NSTL国家科技图书文献中心

Shi-Wei Lin | Yan-Liang Du ... - 《Journal of Bridge Engineering》 - 2023,28(7) - 4023042.1～4023042.10 - 共10页

摘要： superelement. According to the multipoint constraint method | based on deformation compatibility, the superelement | Abstract Aiming at obtaining an efficient and | accurate multiscale model of suspension bridges, this | paper innovatively proposed a multiscale modeling and

关键词： Suspension bridge | Model updating | Multiscale modeling | Influence lines | Gaussian process metamodel

10. Unbalance Response and Critical Speed Analysis of a Flexible Gas Turbine Rotor Supported with Foil Bearings NSTL国家科技图书文献中心

K.C. Panda | Vasanth Kumar S ... - 《International Conference on Advances in Materials, Ceramics and Engineering Sciences (AMCES-2020) : AMCES-2020 : Bengaluru, India, 17-18 January 2020》 - International Conference on Advances in Materials, Ceramics and Engineering Sciences - 2023, - 030028-1～030028-14 - 共14页

摘要： techniques such as the use of external superelement* (SE* | The analysis of rotor dynamic aspects of a gas | turbine is very much essential before the start of | manufacturing. For better accuracy often designers look for 3D | representations of the rotor models, however, these models have

摘要： tube and the rigid projectile as a superelement* and* | of the superelement. The kinematics and kinetics of | the superelement* are analyzed and then used as basic* | Launch dynamics of multibody systems (LDMS | ) studies the forces and motions of the rigid-flexible

关键词： Launch dynamics | Marching fire | Superelement | Multibody system transfer matrix method

摘要：, a cracked superelement* is first proposed to model* | matrix of the cracked superelement* are formulated by* | solutions. The proposed superelement* is then incorporated* | backward analysis of the cracked superelement* with SFBEM* | Dynamic reliability analysis of crack problems

关键词： Dynamic stress intensity factor | Initial crack propagation | Random vibration | Dynamic reliability | Finite element method | Spline fictitious boundary element method

摘要： superelement model of a package, which is extracted from the | superelement into finite element environment speeds up the | Model order reduction technology is capable of | generating highly accurate, but compact reduced-order | models from large-scale finite element models. Such

关键词： Analytical models | Accuracy | Computational modeling | Thermomechanical processes | Supply chains | Printed circuits | Reduced order systems | Finite element analysis | Microelectronics | Integrated circuit modeling

摘要： superelement for the dynamic analysis of elastic structures | Based on the Balanced Truncation approach, a | novel methodology for the construction of a | made with viscoelastic materials is presented | . Contrary to classical modal reduction techniques (Craig

关键词： Dynamic substructuring | Model order reduction | Viscoelastic materials | Golla-Hughes-McTavish | POD/snapshots | LINEAR-SYSTEMS

摘要： modelled using superelements. Such a superelement | -node superelement* (GMS) that was defined in* | Abstract Design and optimization, as well as | real time control, of flexure mechanisms require | efficient but accurate models. The flexures can be

关键词： Model order reduction | Interface reduction | Flexible multibody dynamics | Higher order beam theory | Multipoint constraint | Lagrange multipliers | Master–slave elimination

摘要： analysis, a cracked superelement* is first established* | the cracked superelement* is formulated using the* | superelement is further incorporated into a finite element | of the superelement, the stress intensity factors | The boundary element method (BEM) has proven

关键词： Crack problem | Coupling method | Erdogan fundamental solutions | Finite element method | Stress intensity factor | Spline fictitious boundary element method | RELIABILITY-ANALYSIS | ELEMENT-METHOD | BOUNDARY | RADIATION

摘要： with superelement. Secondly, the modal results of the | motor assembly simplified with superelement* are* | rotor with the superelement* is verified in this paper* | Only the electromagnetic force on the stator | is applied when calculating the radiated noise of

关键词： Permanent magnet synchronous motor | Rotor excitation | Order noise

摘要： superelement. According to the multipoint constraint method | based on deformation compatibility, the superelement | Abstract Aiming at obtaining an efficient and | accurate multiscale model of suspension bridges, this | paper innovatively proposed a multiscale modeling and

关键词： Suspension bridge | Model updating | Multiscale modeling | Influence lines | Gaussian process metamodel

摘要： techniques such as the use of external superelement* (SE* | The analysis of rotor dynamic aspects of a gas | turbine is very much essential before the start of | manufacturing. For better accuracy often designers look for 3D | representations of the rotor models, however, these models have

关键词： Unbalance Response | Critical Speed Analysis | Foil Bearings

4008-161-200 800-990-8900

国家科技图书文献中心

摘要： tube and the rigid projectile as a superelement and | of the superelement. The kinematics and kinetics of | the superelement are analyzed and then used as basic | Launch dynamics of multibody systems (LDMS | ) studies the forces and motions of the rigid-flexible

关键词： Launch dynamics | Marching fire | Superelement | Multibody system transfer matrix method

摘要：, a cracked superelement is first proposed to model | matrix of the cracked superelement are formulated by | solutions. The proposed superelement is then incorporated | backward analysis of the cracked superelement with SFBEM | Dynamic reliability analysis of crack problems

关键词： Dynamic stress intensity factor | Initial crack propagation | Random vibration | Dynamic reliability | Finite element method | Spline fictitious boundary element method

摘要： superelement model of a package, which is extracted from the | superelement into finite element environment speeds up the | Model order reduction technology is capable of | generating highly accurate, but compact reduced-order | models from large-scale finite element models. Such

关键词： Analytical models | Accuracy | Computational modeling | Thermomechanical processes | Supply chains | Printed circuits | Reduced order systems | Finite element analysis | Microelectronics | Integrated circuit modeling

摘要： superelement for the dynamic analysis of elastic structures | Based on the Balanced Truncation approach, a | novel methodology for the construction of a | made with viscoelastic materials is presented | . Contrary to classical modal reduction techniques (Craig

关键词： Dynamic substructuring | Model order reduction | Viscoelastic materials | Golla-Hughes-McTavish | POD/snapshots | LINEAR-SYSTEMS

摘要： modelled using superelements. Such a superelement | -node superelement (GMS) that was defined in | Abstract Design and optimization, as well as | real time control, of flexure mechanisms require | efficient but accurate models. The flexures can be

关键词： Model order reduction | Interface reduction | Flexible multibody dynamics | Higher order beam theory | Multipoint constraint | Lagrange multipliers | Master–slave elimination

摘要： analysis, a cracked superelement is first established | the cracked superelement is formulated using the | superelement is further incorporated into a finite element | of the superelement, the stress intensity factors | The boundary element method (BEM) has proven

关键词： Crack problem | Coupling method | Erdogan fundamental solutions | Finite element method | Stress intensity factor | Spline fictitious boundary element method | RELIABILITY-ANALYSIS | ELEMENT-METHOD | BOUNDARY | RADIATION

摘要： with superelement. Secondly, the modal results of the | motor assembly simplified with superelement are | rotor with the superelement is verified in this paper | Only the electromagnetic force on the stator | is applied when calculating the radiated noise of

关键词： Permanent magnet synchronous motor | Rotor excitation | Order noise

摘要： superelement. According to the multipoint constraint method | based on deformation compatibility, the superelement | Abstract Aiming at obtaining an efficient and | accurate multiscale model of suspension bridges, this | paper innovatively proposed a multiscale modeling and

关键词： Suspension bridge | Model updating | Multiscale modeling | Influence lines | Gaussian process metamodel

摘要： techniques such as the use of external superelement (SE | The analysis of rotor dynamic aspects of a gas | turbine is very much essential before the start of | manufacturing. For better accuracy often designers look for 3D | representations of the rotor models, however, these models have

关键词： Unbalance Response | Critical Speed Analysis | Foil Bearings

4008-161-200 800-990-8900

国家科技图书文献中心

摘要： tube and the rigid projectile as a superelement* and* | of the superelement. The kinematics and kinetics of | the superelement* are analyzed and then used as basic* | Launch dynamics of multibody systems (LDMS | ) studies the forces and motions of the rigid-flexible

摘要：, a cracked superelement* is first proposed to model* | matrix of the cracked superelement* are formulated by* | solutions. The proposed superelement* is then incorporated* | backward analysis of the cracked superelement* with SFBEM* | Dynamic reliability analysis of crack problems

摘要： modelled using superelements. Such a superelement | -node superelement* (GMS) that was defined in* | Abstract Design and optimization, as well as | real time control, of flexure mechanisms require | efficient but accurate models. The flexures can be

摘要： analysis, a cracked superelement* is first established* | the cracked superelement* is formulated using the* | superelement is further incorporated into a finite element | of the superelement, the stress intensity factors | The boundary element method (BEM) has proven

摘要： with superelement. Secondly, the modal results of the | motor assembly simplified with superelement* are* | rotor with the superelement* is verified in this paper* | Only the electromagnetic force on the stator | is applied when calculating the radiated noise of