Von Mises stress analysis of CoCrMo-on-CoCrMo hip prosthesis based on body mass index: 2D FEM estimation

Ammarullah, Muhammad Imam; Afif, Ilham Yustar; Maula, Mohamad Izzur; Tauviqirrahman, Mohammad; Bayuseno, A.P.; Jamari, J.; Winarni, Tri Indah; Basri, Hasan; Syahrom, Ardiyansyah; Saad, Amir Putra Md

doi:10.1063/5.0128350

Cited by 12 publications

(15 citation statements)

References 8 publications

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“…Over the years, several FE models have been developed to determine bone stress shielding under paraphysiological conditions or after replacement surgery, confirming that the model appears to be an effective tool for investigating knee biomechanics [71][72][73]. In addition, other authors emphasise the forces due to body weight, with different effects depending on the body-mass index, which also affect both the body joint and prosthesis [74,75].…”

Section: Discussionmentioning

confidence: 94%

Quadriceps Muscle and Medial Retinaculum Combinate Effects on Patellar Instability during Knee Flexion

2023

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Background: Patellar instability can cause pain and disability. A finite element model of a healthy human knee was performed to analyze the role of quadriceps and medial retinaculum imbalance in patellar instability. Methods: The model was created by matching magnetic resonance and computed tomography images of a normal adult patient’s knee. Muscle force intensities were calculated by static optimization, considering the lower limb muscles, knee movement and the ground reaction during walking. Patellar instability was experimentally generated by progressively uncoupling muscular forces, (90 N versus 110 N), while at the same time, the load derived from the quadriceps was gradually reduced by 20%. Results: This loss in force symmetry of 10 N on the retinaculum may produce a displacement of approximately 7 mm, with an increase in patellar contact forces of approximately 44%. When the quadriceps force is reduced by 10% and the unbalanced medial retinaculum acts together, the displacements are in the order of 14 mm, and the patellar contact forces increase by 84%. Conclusion: A reduced quadriceps force alone is not able to cause significant patellar instability, while an imbalance of forces at the level of the retinaculum could lead to patellar instability, especially when the two effects are combined. A better understanding of joint relationships and muscle synergies can help to improve clinical approaches to patella instability

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Section: Discussionmentioning

confidence: 94%

Quadriceps Muscle and Medial Retinaculum Combinate Effects on Patellar Instability during Knee Flexion

2023

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“…Therefore, many researchers have been analyzed using finite element analysis [46,47]. In the medical field, there are places where a 2D model with a simple calculation is adopted and analyzed to avoid the 3D shortcomings [48]. In this study, the mechanical properties of composite materials were analyzed by performing 3D finite element analysis through the homogenization method.…”

Section: Homogenization Methodsmentioning

confidence: 99%

Analysis of Elastic Properties of Al/PET Isotropic Composite Materials Using Finite Element Method

2022

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This study uses the finite element method and numerical analysis to develop an eco- -friendly composite material with shielding capabilities. A preliminary study was performed to predict the mechanical properties of the composite material. Polyethylene terephthalate and aluminum powder (AP) were selected as the matrix and enhancer, respectively. The particles of AP are spherical, with a diameter of 1 μm. Material properties were investigated as the AP volume fraction (VF) increased from 5–70%. The FEM results show that the physical properties for AP VFs improve by up to 40%, but there is no significant change in the elastic modulus, shear modulus, and Poisson’s ratio at an AP VF of 50–70%. However, the numerical analysis models show that the elastic properties for AP VFs improve by up to 70%. The mechanical properties improved as the VF increased, and the FEM predicted values were reliable for VFs up to 40%. However, it was confirmed that 40% is the limit of AP VF in the FEM. In addition, the FEM and numerical analysis predictions showed that the most similar numerical analysis model was the Halpin–Tsai model. The predictions of the Halpin–Tsai model allowed prediction of the maximum VF above the FEM limit. If the correction coefficients of the FEM and numerical analysis models are derived based on the predictions of this study and future experimental results, reliable predictions can be obtained for the physical properties of composite materials.

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“…The model established in this paper is used for the general cutting of plastic materials. Before applying this model, the finite element method can be adopted to simulate the metal properties [26,27]. The cutting width b is regarded as ae, and the workpiece thickness h is r Therefore, the cutting power with the sharp cutting edge can be calculated (11).…”

Section: Friction Power Model Of Flank Facementioning

confidence: 99%

“…The model established in this paper is used for the general cutting of pla Before applying this model, the finite element method can be adopted to metal properties [26,27].…”

Section: Friction Power Model Of Flank Facementioning

confidence: 99%

Cutting Energy Consumption Modelling of End Milling Cutter Coated with AlTiCrN

Meng

Sun

et al. 2023

Coatings

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As an indispensable piece of equipment in the manufacturing industry, the machine tool is low-energy-efficiency and high-energy-consumption in operation. Therefore, it is urgent to establish a cutting energy consumption model to guide production and reduce the energy consumption of the machining process. In this paper, the AlTiCrN-coated cutting tool is taken as the object of study, and the cutting energy consumption model is established. The cutting energy consumption model is composed of a machining time model and a cutting power model. The cutting power model can be divided into the shear deformation power model of the workpiece, the friction power model of the flank surface and the friction power model of the rake surface. The influence of the edge shape is taken into account in the establishment of the friction power model of the flank surface. The machining time model considering the S-type acceleration and deceleration stage is established. The accuracy of the model was verified by experiments. Experimental results show that the model has high accuracy. The Taguchi method was used to carry out the numerical experiment with the cutting energy consumption of the machine tool as the response. The influences of cutting parameters on energy consumption are analyzed. Cutting width is the most important factor, followed by cutting depth, then feed rate and spindle speed. The physical principle of the influence of cutting parameters on cutting energy consumption is revealed.

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Von Mises stress analysis of CoCrMo-on-CoCrMo hip prosthesis based on body mass index: 2D FEM estimation

Cited by 12 publications

References 8 publications

Quadriceps Muscle and Medial Retinaculum Combinate Effects on Patellar Instability during Knee Flexion

Quadriceps Muscle and Medial Retinaculum Combinate Effects on Patellar Instability during Knee Flexion

Analysis of Elastic Properties of Al/PET Isotropic Composite Materials Using Finite Element Method

Cutting Energy Consumption Modelling of End Milling Cutter Coated with AlTiCrN

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