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Structural characteristics of cement-stabilized soil bases with 3D finite element method

Yunfeng PENG, Yunlong HE,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4, Pages 428-434 doi: 10.1007/s11709-009-0059-5

Abstract: Cement-stabilized soil bases have been widely used in expressways due to its high strength, appropriatestiffness, good water resistance, and frost resistance.

Keywords： different strength asphalt-concrete pavement FEM appropriate stiffness

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Economy-oriented strategy of appropriate technique

CHEN Xiaoyang, ZHONG Dekun

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4, Pages 371-378 doi: 10.1007/s11709-008-0047-1

Abstract: From angle of economy this paper tries to establish the outlook on appropriate technique effect by reconsideringdomestic technique and the relevant living example, it proposes the basic tactics for innovation of the appropriate

Keywords： outlook relevant appropriate technique innovation situation

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Mechanical design and analysis of a novel variable stiffness actuator with symmetrical pivot adjustment

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4, Pages 711-725 doi: 10.1007/s11465-021-0647-1

Abstract: Thus, this paper aims to design a novel variable stiffness actuator (VSA) that can provide safer physicalVSA follows the idea of modular design, mainly including a variable stiffness module and a drive moduleThe variable stiffness module transmits the motion from the drive module in a roundabout manner, makingAs the key component of the variable stiffness module, a stiffness adjustment mechanism with a symmetricalExperiment results show that the VSA stiffness is close to the theoretical design stiffness.

Keywords： variable stiffness actuator variable stiffness module drive module symmetrical structure double-deck

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Rural houses with appropriate strategies in northwest China: a practice of ecological houses in Ningxia

Qun ZHANG, Rui LIANG, Jiaping LIU

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 4, Pages 483-489 doi: 10.1007/s11709-010-0092-4

Abstract: Under such circumstance, the appropriate technologies that create comfortable living environment under

Keywords： rural houses ecological technology thermal environment northwest China

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Comparison of indices for stiffness performance evaluation

Giuseppe CARBONE, Marco CECCARELLI,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3, Pages 270-278 doi: 10.1007/s11465-010-0023-z

Abstract: This paper addresses the problem of a numerical evaluation of the stiffness performance for multibodyStiffness indices are computed and compared for a case study.Results are used for comparing the effectiveness of the stiffness indices.

Keywords： robotics stiffness performance indices

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Broadening of appropriate demulsifier dosage range for latex-containing wastewater by sulfate addition

Shengzhi Zheng, Yudong Song, Yiming Li, Lidong Sun, Bin Hu, Mingdong An, Yuexi Zhou

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 6, doi: 10.1007/s11783-018-1041-z

Abstract:

The effect of latex concentration on appropriate demulsifier dosage

The appropriate demulsifier dosage range was

Sulfate could broaden appropriate demulsifier

Keywords： Demulsification Polybutadiene latex wastewater Polyaluminum chloride Zeta potential Sulfate addition

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New nonlinear stiffness actuator with predefined torque‒deflection profile

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0721-3

Abstract: A nonlinear stiffness actuator (NSA) could achieve high torque/force resolution in low stiffness rangeand high bandwidth in high stiffness range, both of which are beneficial for physical interaction between

Keywords： compliant actuator nonlinear stiffness actuator nonlinear spring predefined torque−deflection profile

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Mechanical design, modeling, and identification for a novel antagonistic variable stiffness dexterous

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0691-5

Abstract: It achieves finger stiffness adjustability according to the biologically inspired stiffness variationprinciple of discarding some mobilities to adjust stiffness.The mechanical design of the finger and its stiffness adjusting methods are elaborated.The stiffness characteristics of the finger joint and the actuation unit are analyzed.finger stiffness presets are provided to verify the validity of the model.

Keywords： multifingered hand mechanism design robot safety variable stiffness actuator

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Mechanical performance analysis and stiffness test of a new type of suspension bridge

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5, Pages 1160-1180 doi: 10.1007/s11709-021-0760-6

Abstract: A new type of suspension bridge is proposed based on the gravity stiffness principle.The rigid webs connect the main cable and main girder to form a truss that can improve the bending stiffnessbraces connect the main cables to form a closed space truss structure that can improve the torsional stiffnessA stiffness test was carried out on the new type of suspension bridge with a small span, and the results

Keywords： new type of suspension bridge stiffness test mechanical performance railway bridge space truss

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Stiffness of a 3-degree of freedom translational parallel kinematic machine

S. SHANKAR GANESH,A.B. KOTESWARA RAO

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 3, Pages 233-241 doi: 10.1007/s11465-014-0312-z

Abstract: Stiffness modeling is done based on the compliance matrices of arm and forearm of each limb.Using the stiffness modeling the variations of minimum and maximum translational stiffness in the workspacevarious architectural parameters of the 3-DOF PKM the tendency of variations on the minimum and maximum stiffness

Keywords： 3-DOF translational PKM inverse kinematics stiffness modeling translational stiffness

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Design and experimental study of a passive power-source-free stiffness-self-adjustable mechanism

Yuwang LIU, Dongqi WANG, Shangkui YANG, Jinguo LIU, Guangbo HAO

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 1, Pages 32-45 doi: 10.1007/s11465-020-0604-4

Abstract: Passive variable stiffness joints have unique advantages over active variable stiffness joints and areWe propose a new passive power-source-free stiffness-self-adjustable mechanism that can be used as theself-adaptive adjustment of stiffness in a purely mechanical manner.The variable stiffness mechanism can automatically adjust joint stiffness in accordance with the magnitudeThe variable stiffness principle is explained, and the design of the variable stiffness mechanism is

Keywords： variable stiffness mechanism stiffness self-regulation bionic robot modeling

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Variable stiffness and damping magnetorheological isolator

Yang ZHOU, Xingyu WANG, Xianzhou ZHANG, Weihua LI

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 3, Pages 310-315 doi: 10.1007/s11465-009-0039-4

Abstract: paper presents the development and characterization of a magnetorheological (MR) fluid-based variable stiffnessExperimental results indicate that both the stiffness and damping capability of the developed MR isolator

Keywords： magnetorheological (MR) fluid stiffness damping mathematical model dynamic performance parameter identification

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Gear fault diagnosis using gear meshing stiffness identified by gearbox housing vibration signals

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0713-3

Abstract: The gear meshing stiffness (GMS) identification approach is proposed by using housing vibration signalsdiscovered in the identified GMS spectra, and the results also validate the rationality of using meshing stiffness

Keywords： gearbox fault diagnosis meshing stiffness identification transfer path signal processing

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Investigating the influence of delamination on the stiffness of composite pipes under compressive transverse

Sattar MALEKI, Roham RAFIEE, Abolfazl HASANNIA, Mohammad Reza HABIBAGAHI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 6, Pages 1316-1323 doi: 10.1007/s11709-019-0555-1

Abstract: The effect of delamination on the stiffness reduction of composite pipes is studied in this research.The stiffness test of filament wound composite pipes is simulated using cohesive zone method.geometrical parameters including delamination size and its position with respect to loading direction on stiffnessAt first, finite element results for stiffness test of a perfect pipe without delamination are validateddirections and also its orientation with respect to loading direction on delamination propagation and stiffness

Keywords： delamination composite pipes stiffness test cohesive zone method

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A numerical framework for underground structures in layered ground under inclined P-SV waves using stiffness

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1, Pages 10-24 doi: 10.1007/s11709-022-0904-3

Abstract: The free-field responses are first obtained using the stiffness matrix method based on plane-wave assumptions

Keywords： underground structures seismic response stiffness matrix method domain reduction method P-SV waves

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Title Author Date Type Operation

Structural characteristics of cement-stabilized soil bases with 3D finite element method

Yunfeng PENG, Yunlong HE,

Journal Article

Economy-oriented strategy of appropriate technique

CHEN Xiaoyang, ZHONG Dekun

Journal Article

Mechanical design and analysis of a novel variable stiffness actuator with symmetrical pivot adjustment

Journal Article

Rural houses with appropriate strategies in northwest China: a practice of ecological houses in Ningxia

Qun ZHANG, Rui LIANG, Jiaping LIU

Journal Article

Comparison of indices for stiffness performance evaluation

Giuseppe CARBONE, Marco CECCARELLI,

Journal Article

Broadening of appropriate demulsifier dosage range for latex-containing wastewater by sulfate addition

Shengzhi Zheng, Yudong Song, Yiming Li, Lidong Sun, Bin Hu, Mingdong An, Yuexi Zhou

Journal Article

New nonlinear stiffness actuator with predefined torque‒deflection profile

Journal Article

Mechanical design, modeling, and identification for a novel antagonistic variable stiffness dexterous

Journal Article

Mechanical performance analysis and stiffness test of a new type of suspension bridge

Journal Article

Stiffness of a 3-degree of freedom translational parallel kinematic machine

S. SHANKAR GANESH,A.B. KOTESWARA RAO

Journal Article

Design and experimental study of a passive power-source-free stiffness-self-adjustable mechanism

Yuwang LIU, Dongqi WANG, Shangkui YANG, Jinguo LIU, Guangbo HAO

Journal Article

Variable stiffness and damping magnetorheological isolator

Yang ZHOU, Xingyu WANG, Xianzhou ZHANG, Weihua LI

Journal Article

Gear fault diagnosis using gear meshing stiffness identified by gearbox housing vibration signals

Journal Article

Investigating the influence of delamination on the stiffness of composite pipes under compressive transverse

Sattar MALEKI, Roham RAFIEE, Abolfazl HASANNIA, Mohammad Reza HABIBAGAHI

Journal Article

A numerical framework for underground structures in layered ground under inclined P-SV waves using stiffness

Journal Article

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