A new model for dry and lubricated cylindrical joints with clearance in spatial flexible multibody systems
Abstract A new approach to model and analyze flexible spatial multibody systems with clearance of cylindrical joints is presented in this work. The flexible parts are modeled by using absolute nodal coordinate formulation (ANCF)-based elements, while the rigid parts are described by employing the na...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Tian, Qiang [verfasserIn] |
|---|
| Format: |
Artikel |
|---|---|
| Sprache: |
Englisch |
| Erschienen: |
2010 |
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| Schlagwörter: |
Absolute nodal coordinate formulation (ANCF) |
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| Anmerkung: |
© Springer Science+Business Media B.V. 2010 |
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| Übergeordnetes Werk: |
Enthalten in: Nonlinear dynamics - Springer Netherlands, 1990, 64(2010), 1-2 vom: 09. Okt., Seite 25-47 |
|---|---|
| Übergeordnetes Werk: |
volume:64 ; year:2010 ; number:1-2 ; day:09 ; month:10 ; pages:25-47 |
| Links: |
|---|
| DOI / URN: |
10.1007/s11071-010-9843-y |
|---|
| Katalog-ID: |
OLC2051088608 |
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| 520 | |a Abstract A new approach to model and analyze flexible spatial multibody systems with clearance of cylindrical joints is presented in this work. The flexible parts are modeled by using absolute nodal coordinate formulation (ANCF)-based elements, while the rigid parts are described by employing the natural coordinate formulation (NCF), which can lead to a constant system mass matrix for the derived system equations of motion. In a simple way, a cylindrical joint with clearance is composed of two main elements, that is, a journal inside a bearing. Additionally, a lubricant fluid can exist between these two mechanical elements to reduce the friction and wear and increase the system’s life. For the case in which the joint is modeled as a dry contact pair, a technique using a continuous approach for the evaluation of the contact force is applied, where the energy dissipation in the form of hysteresis damping is considered. Furthermore, the frictional forces developed in those contacts are evaluated by using a modified Coulomb’s friction law. For the lubricated case, the hydrodynamic theory for dynamically loaded journal bearings is used to compute the forces generated by lubrication actions. The lubricated model is based on the Reynolds equation developed for the case of journal bearings with length-to-diameter ratios up to 1. Using this approach, the misalignment of the journal inside the bearing can be studied. Finally, two demonstrative examples of application are used to provide results that support the discussion and show the validity of the proposed methodologies. | ||
| 650 | 4 | |a Clearance cylindrical joint | |
| 650 | 4 | |a Absolute nodal coordinate formulation (ANCF) | |
| 650 | 4 | |a Natural coordinate formulation (NCF) | |
| 650 | 4 | |a Dry contact forces | |
| 650 | 4 | |a Lubrication forces | |
| 650 | 4 | |a Journal misalignment | |
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| 700 | 1 | |a Machado, Margarida |4 aut | |
| 700 | 1 | |a Flores, Paulo |4 aut | |
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10.1007/s11071-010-9843-y doi (DE-627)OLC2051088608 (DE-He213)s11071-010-9843-y-p DE-627 ger DE-627 rakwb eng 510 VZ 11 ssgn Tian, Qiang verfasserin aut A new model for dry and lubricated cylindrical joints with clearance in spatial flexible multibody systems 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2010 Abstract A new approach to model and analyze flexible spatial multibody systems with clearance of cylindrical joints is presented in this work. The flexible parts are modeled by using absolute nodal coordinate formulation (ANCF)-based elements, while the rigid parts are described by employing the natural coordinate formulation (NCF), which can lead to a constant system mass matrix for the derived system equations of motion. In a simple way, a cylindrical joint with clearance is composed of two main elements, that is, a journal inside a bearing. Additionally, a lubricant fluid can exist between these two mechanical elements to reduce the friction and wear and increase the system’s life. For the case in which the joint is modeled as a dry contact pair, a technique using a continuous approach for the evaluation of the contact force is applied, where the energy dissipation in the form of hysteresis damping is considered. Furthermore, the frictional forces developed in those contacts are evaluated by using a modified Coulomb’s friction law. For the lubricated case, the hydrodynamic theory for dynamically loaded journal bearings is used to compute the forces generated by lubrication actions. The lubricated model is based on the Reynolds equation developed for the case of journal bearings with length-to-diameter ratios up to 1. Using this approach, the misalignment of the journal inside the bearing can be studied. Finally, two demonstrative examples of application are used to provide results that support the discussion and show the validity of the proposed methodologies. Clearance cylindrical joint Absolute nodal coordinate formulation (ANCF) Natural coordinate formulation (NCF) Dry contact forces Lubrication forces Journal misalignment Liu, Cheng aut Machado, Margarida aut Flores, Paulo aut Enthalten in Nonlinear dynamics Springer Netherlands, 1990 64(2010), 1-2 vom: 09. Okt., Seite 25-47 (DE-627)130936782 (DE-600)1058624-6 (DE-576)034188126 0924-090X nnns volume:64 year:2010 number:1-2 day:09 month:10 pages:25-47 https://doi.org/10.1007/s11071-010-9843-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY SSG-OLC-CHE SSG-OLC-MAT SSG-OPC-MAT GBV_ILN_23 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_4307 AR 64 2010 1-2 09 10 25-47 |
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10.1007/s11071-010-9843-y doi (DE-627)OLC2051088608 (DE-He213)s11071-010-9843-y-p DE-627 ger DE-627 rakwb eng 510 VZ 11 ssgn Tian, Qiang verfasserin aut A new model for dry and lubricated cylindrical joints with clearance in spatial flexible multibody systems 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2010 Abstract A new approach to model and analyze flexible spatial multibody systems with clearance of cylindrical joints is presented in this work. The flexible parts are modeled by using absolute nodal coordinate formulation (ANCF)-based elements, while the rigid parts are described by employing the natural coordinate formulation (NCF), which can lead to a constant system mass matrix for the derived system equations of motion. In a simple way, a cylindrical joint with clearance is composed of two main elements, that is, a journal inside a bearing. Additionally, a lubricant fluid can exist between these two mechanical elements to reduce the friction and wear and increase the system’s life. For the case in which the joint is modeled as a dry contact pair, a technique using a continuous approach for the evaluation of the contact force is applied, where the energy dissipation in the form of hysteresis damping is considered. Furthermore, the frictional forces developed in those contacts are evaluated by using a modified Coulomb’s friction law. For the lubricated case, the hydrodynamic theory for dynamically loaded journal bearings is used to compute the forces generated by lubrication actions. The lubricated model is based on the Reynolds equation developed for the case of journal bearings with length-to-diameter ratios up to 1. Using this approach, the misalignment of the journal inside the bearing can be studied. Finally, two demonstrative examples of application are used to provide results that support the discussion and show the validity of the proposed methodologies. Clearance cylindrical joint Absolute nodal coordinate formulation (ANCF) Natural coordinate formulation (NCF) Dry contact forces Lubrication forces Journal misalignment Liu, Cheng aut Machado, Margarida aut Flores, Paulo aut Enthalten in Nonlinear dynamics Springer Netherlands, 1990 64(2010), 1-2 vom: 09. Okt., Seite 25-47 (DE-627)130936782 (DE-600)1058624-6 (DE-576)034188126 0924-090X nnns volume:64 year:2010 number:1-2 day:09 month:10 pages:25-47 https://doi.org/10.1007/s11071-010-9843-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY SSG-OLC-CHE SSG-OLC-MAT SSG-OPC-MAT GBV_ILN_23 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_4307 AR 64 2010 1-2 09 10 25-47 |
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10.1007/s11071-010-9843-y doi (DE-627)OLC2051088608 (DE-He213)s11071-010-9843-y-p DE-627 ger DE-627 rakwb eng 510 VZ 11 ssgn Tian, Qiang verfasserin aut A new model for dry and lubricated cylindrical joints with clearance in spatial flexible multibody systems 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2010 Abstract A new approach to model and analyze flexible spatial multibody systems with clearance of cylindrical joints is presented in this work. The flexible parts are modeled by using absolute nodal coordinate formulation (ANCF)-based elements, while the rigid parts are described by employing the natural coordinate formulation (NCF), which can lead to a constant system mass matrix for the derived system equations of motion. In a simple way, a cylindrical joint with clearance is composed of two main elements, that is, a journal inside a bearing. Additionally, a lubricant fluid can exist between these two mechanical elements to reduce the friction and wear and increase the system’s life. For the case in which the joint is modeled as a dry contact pair, a technique using a continuous approach for the evaluation of the contact force is applied, where the energy dissipation in the form of hysteresis damping is considered. Furthermore, the frictional forces developed in those contacts are evaluated by using a modified Coulomb’s friction law. For the lubricated case, the hydrodynamic theory for dynamically loaded journal bearings is used to compute the forces generated by lubrication actions. The lubricated model is based on the Reynolds equation developed for the case of journal bearings with length-to-diameter ratios up to 1. Using this approach, the misalignment of the journal inside the bearing can be studied. Finally, two demonstrative examples of application are used to provide results that support the discussion and show the validity of the proposed methodologies. Clearance cylindrical joint Absolute nodal coordinate formulation (ANCF) Natural coordinate formulation (NCF) Dry contact forces Lubrication forces Journal misalignment Liu, Cheng aut Machado, Margarida aut Flores, Paulo aut Enthalten in Nonlinear dynamics Springer Netherlands, 1990 64(2010), 1-2 vom: 09. Okt., Seite 25-47 (DE-627)130936782 (DE-600)1058624-6 (DE-576)034188126 0924-090X nnns volume:64 year:2010 number:1-2 day:09 month:10 pages:25-47 https://doi.org/10.1007/s11071-010-9843-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY SSG-OLC-CHE SSG-OLC-MAT SSG-OPC-MAT GBV_ILN_23 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_4307 AR 64 2010 1-2 09 10 25-47 |
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10.1007/s11071-010-9843-y doi (DE-627)OLC2051088608 (DE-He213)s11071-010-9843-y-p DE-627 ger DE-627 rakwb eng 510 VZ 11 ssgn Tian, Qiang verfasserin aut A new model for dry and lubricated cylindrical joints with clearance in spatial flexible multibody systems 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2010 Abstract A new approach to model and analyze flexible spatial multibody systems with clearance of cylindrical joints is presented in this work. The flexible parts are modeled by using absolute nodal coordinate formulation (ANCF)-based elements, while the rigid parts are described by employing the natural coordinate formulation (NCF), which can lead to a constant system mass matrix for the derived system equations of motion. In a simple way, a cylindrical joint with clearance is composed of two main elements, that is, a journal inside a bearing. Additionally, a lubricant fluid can exist between these two mechanical elements to reduce the friction and wear and increase the system’s life. For the case in which the joint is modeled as a dry contact pair, a technique using a continuous approach for the evaluation of the contact force is applied, where the energy dissipation in the form of hysteresis damping is considered. Furthermore, the frictional forces developed in those contacts are evaluated by using a modified Coulomb’s friction law. For the lubricated case, the hydrodynamic theory for dynamically loaded journal bearings is used to compute the forces generated by lubrication actions. The lubricated model is based on the Reynolds equation developed for the case of journal bearings with length-to-diameter ratios up to 1. Using this approach, the misalignment of the journal inside the bearing can be studied. Finally, two demonstrative examples of application are used to provide results that support the discussion and show the validity of the proposed methodologies. Clearance cylindrical joint Absolute nodal coordinate formulation (ANCF) Natural coordinate formulation (NCF) Dry contact forces Lubrication forces Journal misalignment Liu, Cheng aut Machado, Margarida aut Flores, Paulo aut Enthalten in Nonlinear dynamics Springer Netherlands, 1990 64(2010), 1-2 vom: 09. Okt., Seite 25-47 (DE-627)130936782 (DE-600)1058624-6 (DE-576)034188126 0924-090X nnns volume:64 year:2010 number:1-2 day:09 month:10 pages:25-47 https://doi.org/10.1007/s11071-010-9843-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY SSG-OLC-CHE SSG-OLC-MAT SSG-OPC-MAT GBV_ILN_23 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_4307 AR 64 2010 1-2 09 10 25-47 |
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10.1007/s11071-010-9843-y doi (DE-627)OLC2051088608 (DE-He213)s11071-010-9843-y-p DE-627 ger DE-627 rakwb eng 510 VZ 11 ssgn Tian, Qiang verfasserin aut A new model for dry and lubricated cylindrical joints with clearance in spatial flexible multibody systems 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2010 Abstract A new approach to model and analyze flexible spatial multibody systems with clearance of cylindrical joints is presented in this work. The flexible parts are modeled by using absolute nodal coordinate formulation (ANCF)-based elements, while the rigid parts are described by employing the natural coordinate formulation (NCF), which can lead to a constant system mass matrix for the derived system equations of motion. In a simple way, a cylindrical joint with clearance is composed of two main elements, that is, a journal inside a bearing. Additionally, a lubricant fluid can exist between these two mechanical elements to reduce the friction and wear and increase the system’s life. For the case in which the joint is modeled as a dry contact pair, a technique using a continuous approach for the evaluation of the contact force is applied, where the energy dissipation in the form of hysteresis damping is considered. Furthermore, the frictional forces developed in those contacts are evaluated by using a modified Coulomb’s friction law. For the lubricated case, the hydrodynamic theory for dynamically loaded journal bearings is used to compute the forces generated by lubrication actions. The lubricated model is based on the Reynolds equation developed for the case of journal bearings with length-to-diameter ratios up to 1. Using this approach, the misalignment of the journal inside the bearing can be studied. Finally, two demonstrative examples of application are used to provide results that support the discussion and show the validity of the proposed methodologies. Clearance cylindrical joint Absolute nodal coordinate formulation (ANCF) Natural coordinate formulation (NCF) Dry contact forces Lubrication forces Journal misalignment Liu, Cheng aut Machado, Margarida aut Flores, Paulo aut Enthalten in Nonlinear dynamics Springer Netherlands, 1990 64(2010), 1-2 vom: 09. Okt., Seite 25-47 (DE-627)130936782 (DE-600)1058624-6 (DE-576)034188126 0924-090X nnns volume:64 year:2010 number:1-2 day:09 month:10 pages:25-47 https://doi.org/10.1007/s11071-010-9843-y lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY SSG-OLC-CHE SSG-OLC-MAT SSG-OPC-MAT GBV_ILN_23 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_4307 AR 64 2010 1-2 09 10 25-47 |
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510 VZ 11 ssgn A new model for dry and lubricated cylindrical joints with clearance in spatial flexible multibody systems Clearance cylindrical joint Absolute nodal coordinate formulation (ANCF) Natural coordinate formulation (NCF) Dry contact forces Lubrication forces Journal misalignment |
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A new model for dry and lubricated cylindrical joints with clearance in spatial flexible multibody systems |
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A new model for dry and lubricated cylindrical joints with clearance in spatial flexible multibody systems |
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Tian, Qiang |
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Nonlinear dynamics |
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2010 |
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Tian, Qiang Liu, Cheng Machado, Margarida Flores, Paulo |
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10.1007/s11071-010-9843-y |
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510 |
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a new model for dry and lubricated cylindrical joints with clearance in spatial flexible multibody systems |
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A new model for dry and lubricated cylindrical joints with clearance in spatial flexible multibody systems |
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Abstract A new approach to model and analyze flexible spatial multibody systems with clearance of cylindrical joints is presented in this work. The flexible parts are modeled by using absolute nodal coordinate formulation (ANCF)-based elements, while the rigid parts are described by employing the natural coordinate formulation (NCF), which can lead to a constant system mass matrix for the derived system equations of motion. In a simple way, a cylindrical joint with clearance is composed of two main elements, that is, a journal inside a bearing. Additionally, a lubricant fluid can exist between these two mechanical elements to reduce the friction and wear and increase the system’s life. For the case in which the joint is modeled as a dry contact pair, a technique using a continuous approach for the evaluation of the contact force is applied, where the energy dissipation in the form of hysteresis damping is considered. Furthermore, the frictional forces developed in those contacts are evaluated by using a modified Coulomb’s friction law. For the lubricated case, the hydrodynamic theory for dynamically loaded journal bearings is used to compute the forces generated by lubrication actions. The lubricated model is based on the Reynolds equation developed for the case of journal bearings with length-to-diameter ratios up to 1. Using this approach, the misalignment of the journal inside the bearing can be studied. Finally, two demonstrative examples of application are used to provide results that support the discussion and show the validity of the proposed methodologies. © Springer Science+Business Media B.V. 2010 |
| abstractGer |
Abstract A new approach to model and analyze flexible spatial multibody systems with clearance of cylindrical joints is presented in this work. The flexible parts are modeled by using absolute nodal coordinate formulation (ANCF)-based elements, while the rigid parts are described by employing the natural coordinate formulation (NCF), which can lead to a constant system mass matrix for the derived system equations of motion. In a simple way, a cylindrical joint with clearance is composed of two main elements, that is, a journal inside a bearing. Additionally, a lubricant fluid can exist between these two mechanical elements to reduce the friction and wear and increase the system’s life. For the case in which the joint is modeled as a dry contact pair, a technique using a continuous approach for the evaluation of the contact force is applied, where the energy dissipation in the form of hysteresis damping is considered. Furthermore, the frictional forces developed in those contacts are evaluated by using a modified Coulomb’s friction law. For the lubricated case, the hydrodynamic theory for dynamically loaded journal bearings is used to compute the forces generated by lubrication actions. The lubricated model is based on the Reynolds equation developed for the case of journal bearings with length-to-diameter ratios up to 1. Using this approach, the misalignment of the journal inside the bearing can be studied. Finally, two demonstrative examples of application are used to provide results that support the discussion and show the validity of the proposed methodologies. © Springer Science+Business Media B.V. 2010 |
| abstract_unstemmed |
Abstract A new approach to model and analyze flexible spatial multibody systems with clearance of cylindrical joints is presented in this work. The flexible parts are modeled by using absolute nodal coordinate formulation (ANCF)-based elements, while the rigid parts are described by employing the natural coordinate formulation (NCF), which can lead to a constant system mass matrix for the derived system equations of motion. In a simple way, a cylindrical joint with clearance is composed of two main elements, that is, a journal inside a bearing. Additionally, a lubricant fluid can exist between these two mechanical elements to reduce the friction and wear and increase the system’s life. For the case in which the joint is modeled as a dry contact pair, a technique using a continuous approach for the evaluation of the contact force is applied, where the energy dissipation in the form of hysteresis damping is considered. Furthermore, the frictional forces developed in those contacts are evaluated by using a modified Coulomb’s friction law. For the lubricated case, the hydrodynamic theory for dynamically loaded journal bearings is used to compute the forces generated by lubrication actions. The lubricated model is based on the Reynolds equation developed for the case of journal bearings with length-to-diameter ratios up to 1. Using this approach, the misalignment of the journal inside the bearing can be studied. Finally, two demonstrative examples of application are used to provide results that support the discussion and show the validity of the proposed methodologies. © Springer Science+Business Media B.V. 2010 |
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A new model for dry and lubricated cylindrical joints with clearance in spatial flexible multibody systems |
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