1-20 of 47
Keywords: elasticity
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles
Article Type: Research Papers
J. Mech. Des. January 2012, 134(1): 011009.
Published Online: January 5, 2012
... new idea (active aeroelasticity) reverts this approach and utilizes static instabilities to realize wing morphing instead of avoiding them. Another innovative idea (compliant systems) deals with structures designed to achieve large deformations within the elastic range of the material. Joining those...
Journal Articles
Article Type: Research Papers
J. Mech. Des. January 2012, 134(1): 011008.
Published Online: January 4, 2012
... Engineering Technical Conferences (DETC2009-87301) , San Diego, CA. compliant mechanisms elasticity micromechanical devices torsion linear-motion metrics stiffness compliant mechanisms linear motion microelectromechanical systems off-axis stiffness Examples of linear-motion...
Journal Articles
Article Type: Research Papers
J. Mech. Des. November 2011, 133(11): 111011.
Published Online: November 17, 2011
... patient access. This paper presents an MRI-compatible manipulator using elastically averaged binary pneumatic air muscles (PAMs) to orient a needle into a targeted region of the prostate under the command of a physician. The proposed manipulator is based on an all-polymer compliant mechanism designed to...
Journal Articles
Article Type: Research Papers
J. Mech. Des. September 2011, 133(9): 091006.
Published Online: September 15, 2011
... , Delft, The Netherlands. 15 Radaelli , G. , Gallego , J. A. , and Herder , J. L. , 2010 , “ An Energy Approach to Static Balancing of Systems With Torsion Stiffness ,” ASME Conf. Proc. , 2010 ( 44106 ), pp. 341 – 353 . elasticity energy conservation mean square error...
Journal Articles
Article Type: Research Papers
J. Mech. Des. January 2011, 133(1): 011001.
Published Online: December 29, 2010
... number adaptively 15 03 2010 01 11 2010 29 12 2010 29 12 2010 beams (structures) design engineering elasticity iterative methods masks minimisation photolithography topology Bendsøe , M. P. , and...
Journal Articles
Article Type: Research Papers
J. Mech. Des. August 2010, 132(8): 081008.
Published Online: August 18, 2010
... accurate closed-form parametric load-displacement model for two-dimensional beam flexures, taking into account the nonlinearities arising from load equilibrium applied in the deformed configuration. In particular, stiffness and error motions are parametrically quantified in terms of elastic, load...
Journal Articles
Article Type: Research Papers
J. Mech. Des. August 2010, 132(8): 081007.
Published Online: August 5, 2010
.... , 2009 , “ Mechanical and Geometric Advantages in Compliant Mechanism Optimization ,” Frontiers of Mechanical Engineering in China , 4 ( 3 ), pp. 229 – 241 . beams (structures) CAD elasticity graphical user interfaces interactive systems kinematics mechanical engineering computing...
Journal Articles
Article Type: Research Papers
J. Mech. Des. June 2010, 132(6): 061005.
Published Online: May 25, 2010
... Stiffness Design: Matching Requirements of the Next Robot Generation ,” Proceedings of the IEEE International Conference on Robotics and Automation , pp. 1741 – 1746 . Knox , T. B. , and Schmiedeler , J. P. , 2009 , “ A Unidirectional Series-Elastic Actuator Design Using a Spiral Torsion...
Journal Articles
Article Type: Research Papers
J. Mech. Des. February 2010, 132(2): 021006.
Published Online: January 26, 2010
...Mireia Olave; Xabier Sagartzazu; Jorge Damian; Alberto Serna This paper proposes a procedure for obtaining the load distribution in a four contact-point slewing bearing considering the effect of the structure’s elasticity. The uneven stiffness of the rings and the supporting structures creates a...
Journal Articles
Article Type: Research Papers
J. Mech. Des. February 2010, 132(2): 021001.
Published Online: January 14, 2010
... properties, and the input actuation level. Beam properties No. Beam material Elastic modulus(GPa) Beam thickness(mm) Beam width(mm) Flexural rigidity ( N   mm 2 ) 1 Acrylic 2.38 2.8 11.0 4.78 e 4 2 Acrylic 2.38 1.8 10.0 1.16 e 4 3...
Journal Articles
Article Type: Research Papers
J. Mech. Des. January 2010, 132(1): 011003.
Published Online: December 17, 2009
... constraints. Scaling guidelines are included within the optimization to relax the constraints on the solution space. Given the nonlinear nature of the spring designs, this paper further investigates their function in new configurations. Compliant structures with customized elastic properties are constructed...
Journal Articles
Article Type: Design Innovations
J. Mech. Des. December 2009, 131(12): 125001.
Published Online: November 9, 2009
...Brian T. Knox; James P. Schmiedeler This paper presents a novel series-elastic actuator (SEA) design that uses a spiral torsion spring to achieve drivetrain compliance in a compact and efficient mechanism. The SEA utilizes electromechanical actuation and is designed for use in the experimental...
Journal Articles
Article Type: Research Papers
J. Mech. Des. December 2009, 131(12): 121001.
Published Online: November 3, 2009
... Einschraubenverbindungen, VDI, Düsseldorf, Germany. o o s m oac t s tion ap t s atio the rac int 1 d i l p p s F b l n l w f t s f d in Figs. 3 and 4. The corresponding elastic compression in the joint was calculated. The joint stiffness kc was determined using Eq. 3 w n s a j n f kc = 0.5774 Ed 2 ln 50.5774L...
Journal Articles
Article Type: Technical Briefs
J. Mech. Des. November 2009, 131(11): 114501.
Published Online: October 6, 2009
... elasticity, which are known to influence the dynamic behavior of drivetrain significantly. The derivation of the system governing equation by Lagrange equations requires the formulations of the kinetic energy terms of both orbiting and rotating gears, the potential energy terms of time-varying tooth...
Journal Articles
Article Type: Technical Briefs
J. Mech. Des. October 2009, 131(10): 104501.
Published Online: September 3, 2009
... substituted by groups of fewer elements called equivalent parametric macroelements (EPMs). The EPM optimum parameters are obtained using equivalence criteria based on elastic energy and inertial properties. The optimization process is performed using nonlinear least square minimization and genetic algorithms...
Journal Articles
Article Type: Research Papers
J. Mech. Des. July 2009, 131(7): 071004.
Published Online: June 4, 2009
... Springs , Penton , Cleveland, OH . Wahl , M. , 1929 , “ Stresses in Heavy, Closely Coiled Helical Springs Axially Loaded ,” Trans. ASME 0097-6822 , 51 ( 6 ), pp. 185 – 200 . Southwell , R. V. , 1969 , An Introduction to the Theory of Elasticity , 2nd ed. , Dover , New York...
Journal Articles
Article Type: Research Papers
J. Mech. Des. June 2009, 131(6): 061008.
Published Online: May 21, 2009
... Element Analysis , Oxford University Press , New York . Timoshenko , S. P. , and Gere , J. M. , 1988 , Theory of Elastic Stability , McGraw-Hill , New York . Wiley , J. C. , and Genin , J. , 1970 , “ Nonlinear Static Behavior of a Cantilever Subjected to an Inclined...
Journal Articles
Article Type: Research Papers
J. Mech. Des. February 2009, 131(2): 021005.
Published Online: January 6, 2009
... variable in which unsupported and supported states of a structure are represented with springs having limit stiffness values. Because elastically supported structures exhibit considerably different structural behaviors from structures without elastic supports, it is difficult to select an objective...
Journal Articles
Article Type: Research Papers
J. Mech. Des. February 2009, 131(2): 021004.
Published Online: January 6, 2009
...Ali A. Alkelani; Sayed A. Nassar; Basil A. Housari A novel mathematical model is proposed for studying elastic interaction in gasketed bolted joints. The model predicts the tension changes in tightened bolts due to the subsequent tightening of other bolts in the joint. It also predicts the final...
Journal Articles
Article Type: Research Papers
J. Mech. Des. January 2009, 131(1): 011012.
Published Online: December 16, 2008
... heterogeneous deformation. In the present work, joint materials are assumed to be isotropic and homogeneous, and linear elastic axisymmetric finite element analysis was performed to evaluate the member stiffness. Uniform displacement and uniform pressure assumptions are employed in idealizing the boundary...