A Partial Safety Factor for Pressure Hull Collapse Prediction Using Finite Element Analysis

2008 ◽  
Author(s):  
D Graham ◽  
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Safety Factor ◽  
Element Analysis ◽  
Partial Safety Factor ◽  
Collapse Prediction

Finite Element Analysis of Motor Box for EBZ160 Horizontal Roadheader

2015 ◽  
Vol 1090 ◽  
pp. 233-237
Author(s):  
Ji Jun Miao ◽  
Ri Sheng Long
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Optimal Design ◽  
Safety Factor ◽  
Stress And Strain ◽  
Element Analysis

In order to solve the cracking and poor reliability problems of motor box of Horizontal Roadheader, the static structural FEA (Finite Element Analysis) of cutting arm & motor box of the EBH160 Horizontal Roadheader was conducted, and the stress and strain contours of FEA were obtained. By comparing the calculated results, the safety factor of cutting arm & motor box was 1.36, which provides a reference for the optimal design of cutting arm & motor box.

scholarly journals Analisis Perancangan Frame Gokart dari Pengaruh Pembebanan dengan Menggunakan CAD Solidworks 2016

Jurnal METTEK ◽  
2021 ◽  
Vol 7 (1) ◽  
pp. 1
Author(s):  
Angga Restu Pahlawan ◽  
Rizal Hanifi ◽  
Aa Santosa
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Safety Factor ◽  
Frame Structure ◽  
Maximum Displacement ◽  
Element Analysis ◽  
Aisi 1045 ◽  
Steel Aisi ◽  
Simulation Results ◽  
Manual Calculation

Frame adalah salah satu komponen yang sangat penting dalam sebuah kendaraan, yang berfungsi sebagai penopang penumpang, mesin, suspensi, sistem kelistrikan dan lain-lain. Melihat fungsi dari frame sangat penting, maka dalam merancang sebuah frame harus diperhitungkan dengan baik. Banyak sekali jenis pengujian yang sering dipakai dalam perancangan sebuah struktur frame, salah satunya adalah digunakannya metode komputasi dengan menggunakan metode Finite Element Analysis (FEA). Tujuan dari penelitian ini adalah untuk mengetahui distribusi tegangan, regangan, displacement, dan safety factor dari hasil pembebanan statis pada frame gokar. Struktur frame didesain dan dianalisis menggunakan software Solidworks 2016. Material yang digunakan frame adalah baja AISI 1045 hollow tube 273,2 mm, dengan menggunakan pembebanan pengendara sebesar 50 kg dan 70 kg. Hasil dari perhitungan manual didapatkan tegangan maksimum sebesar 4,735  107 N/m2, sedangkan dari simulasi didapatkan sebesar 4,516  107 N/m2. Regangan maksimum didapatkan dari perhitungan manual sebesar 2,310  10-4. Displacement maksimum didapatkan dari perhitungan manual sebesar 1,864  108 mm, sedangkan dari simulasi didapatkan sebesar 1,624  108 mm. Safety factor minimum didapatkan dari perhitungan manual sebesar 11,193, dan perhitungan simulasi didapatkan sebesar 11,736. The frame is one of the most important components in a vehicle, which functions as a support for passengers, engines, suspensions, electrical systems and others. Seeing the function of the frame is very important, so designing a frame must be taken into account well. There are many types of tests that are often used in the design of a frame structure, one of which is the use of computational methods using the Finite Element Analysis (FEA) method. The purpose of this study was to determine the distribution of stress, strain, displacement, and safety factor from the results of static loading on the kart frame. The frame structure was designed and analyzed using Solidworks 2016 software. The material used in the frame is steel AISI 1045 hollow tube 27  3,2 mm, using a rider load of 50 kg and 70 kg. The result of manual calculation shows that the maximum stress is 4,735  107 N/m2, while the simulation results are 4,516  107 N/m2. The maximum strain is obtained from manual calculation of 2,310  10-4. The maximum displacement is obtained from manual calculations of 1,864  108 mm, while the simulation results are 1,624  108 mm. The minimum safety factor obtained from manual calculation is 11,193, and the simulation calculation is 11,736.

Design Optimization of Driveshaft and Universal Joint Using Finite Element Technique

2016 ◽  
Author(s):  
Mosfequr Rahman ◽  
Gustavo Molina ◽  
Sirajus Salekeen ◽  
Ana Dungan ◽  
Isaac Hyers ◽  
...  
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Carbon Fiber ◽  
Safety Factor ◽  
Material Properties ◽  
Moment Of Inertia ◽  
Outer Diameter ◽  
Element Analysis ◽  
Numerical Experimentation ◽  
Universal Joints

Finite Element Analysis (FEA) has been performed on variety of a driveshaft and universal joints based on different shaft materials and shaft different operating angles. A driveshaft is particularly useful in applications such as taking of transferring torque from one piece of equipment to the other such as in vehicle of all kinds. A driveshaft transfers torque from the transmission to the rear end differential since these two pieces of equipment cannot be connected directly. The driveshaft has universal joints located on both ends of the shaft to allow for fluctuations in the angle of the transmission and rear differential. The driveshaft alone is composed of two parts, a female and male end, connected by a spline to allow changes in the length during operation. The driveshaft must be able to withstand the constant torque that is being applied throughout operation in order to increase safety for the operator and machine. Having a lower polar moment of inertia allows the driveshaft to turn with a lower torque value compared to a driveshaft with a higher moment of inertia. It is noted that driveshaft can be manufactured into a variety of lengths and diameters depending on the use and equipment it will be supporting. This paper describes a method of finite element implemented on variations of driveshaft and universal joints. Effect of material properties, geometry and operating angle of the driveshaft were considered for this numerical investigation. Five different materials such as structural steel, aluminum alloy, polyethylene, titanium, and carbon fiber with an outer diameter of 1.5 in of the driveshaft was used for this analysis. The effect of both metals and composite materials was observed. Based on the analysis it was found that a 15° operating angle allowed for the longest life cycle of the driveshaft, while the carbon fiber composite presented the highest stress resistance and safety factor, approximately 6 GPa of yield tensile strength and a safety factor of 15. It was also found that titanium had an equivalent safety factor of 15. However, the tensile yield strength of titanium was much lower than that of its composite counterpart. All of the numerical experimentation was done using the Finite Element Analysis software ANSYS. Material properties for all materials were preset in the software except the composite carbon fiber whose properties were easily found from other research papers and experiments. Based on the data collected and the general assumptions that the most effective drive shaft is the one that lasts the longest. It can be concluded that a driveshaft made of carbon fiber operating at an angle of 15° presents the optimum driveshaft design.

scholarly journals Analisis Kekuatan Ball Valve Akibat Tekanan Fluida Menggunakan Finite Element Analysis

2018 ◽  
Vol 4 (2) ◽  
Author(s):  
Meri Rahmi ◽  
Delffika Canra ◽  
Suliono Suliono
Keyword(s):  
Fluid Dynamics ◽  
Finite Element Analysis ◽  
Computational Fluid Dynamics ◽  
Finite Element ◽  
Safety Factor ◽  
Ball Valve ◽  
Element Analysis ◽  
Computational Fluid Dynamics Cfd

Valve (katup) sebagai salah satu produk industri, sangat dibutuhkan oleh perusahaan yang bergerak mengontrol aliran cairan untuk efisiensi. Kebutuhan tentang ini banyak digunakan oleh perusahaan makanan, obat-obatan, minuman, pembangkit listrik dan industri minyak dan gas. Tujuan penggunaan valve adalah untuk membatasi dan mengontrol cairan pada kondisi tekanan tinggi. Salah satu katup yang sering digunakan adalah ball valve, yaitu katup dengan tipe gerak memutar. Adanya permintaan ball valve ini, dibutuhkan produk dengan spesifikasi tertentu memiliki rancangan dengan tingkat kekuatan yang baik. Dengan kata lain, produk valve (katup) yang baik, harus memiliki kekuatan yang baik, aman dan sesuai dengan kebutuhan dilakukan pengujian. Penelitian ini bertujuan untuk melakukan analisis terhadap ball valve 4 inch ANSI 300 untuk memastikan katup yang diproduksi sesuai spesifikasi, kuat dan tahan terhadap tekanan fluida. Metode yang digunakan adalah Finite Element Analysis (FEA) dengan software Solidworks. Analisis dilakukan pada ball valve 4 inch ANSI 300 dengan keadaan full open, hall open dan full closed serta dengan pembebanan 725 psi dan 1087.5 psi hasil dari Computational Fluid Dynamics (CFD). Analisis dilakukan pada temperatur -29.50C, 250C dan 4250C. Berdasarkan hasil analisis dengan FEA, dinyatakan bahwa ball valve 4 inch ANSI 300 kuat dan aman untuk digunakan. Nilai faktor keamanan (safety factor), signifikan lebih tinggi dari nilai safety factor minimum yang diizinkan.

ANALISIS MATERIAL KONTRUKSI CHASIS MOBIL LISTRIK LAKSAMANA V2 MENGGUNAKAN SOFTWARE AUTODESK INVENTOR

2021 ◽  
Vol 7 (1) ◽  
pp. 30-37
Author(s):  
Aris Toteles
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Safety Factor ◽  
Element Analysis

Penelitian ini bertujuan mendapakan material penyusun kontruksi yang lebih ringan dan kuat sebagai penyusun kontruksi chasis mobil listrik laksamana V2. Dengan menggunakan sistem komputasi software Autodesk Inventor Pro 2020 dengan metode Finite Element Analysis. Proses analisis dilakukan di lab Desain dan Perancangan Teknik Mesin di kampus Politeknik Negeri Bengkalis. Pemodelan dilakukan dengan lakukan pengukuran dimensi kontruksi chasis mobil listrik Laksamana V2. Dengan melakukan analisis kekuatan kontruksi dan melakukan  variasi material dengan tiga material yang digunakan yaitu Stainlees Steel, Aluminium 6061 dan Baja karbon. Hasil penelitian didapatkan Baja karbon memiliki massa 27,2494 kg dengan memiliki kekuatan kontruksi berupa tegangan 77,3 Mpa, Regangan 3744 x10-4 , Displacement 1,5 mm dan Safety factor 1,54  

The Effect of Hole behind Lining on Safety of Tunnel

2013 ◽  
Vol 477-478 ◽  
pp. 600-603
Author(s):  
Jun Liu ◽  
Guan Hua Zhang
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Safety Factor ◽  
Evaluation Method ◽  
Working Condition ◽  
Two Dimensional ◽  
Analysis Software ◽  
Plane Model ◽  
Element Analysis ◽  
Dangerous Section

ABAQUS finite element analysis software and load - structure method are adapted in this paper and the structure is simplified as a two-dimensional plane model. 25 kinds of working condition including five hole sizes: 0.6m, 1.2m, 1.5m, 1.8m, 2.1m and five hole positions varying from vault to arch springing are studied and the safety factor distribution of lining are obtained. By comparing the safety factor at dangerous section in lining with hole to that in no damage lining , a convenient evaluation method about the effect of hole to lining safety is proposed.

scholarly journals Analisa Desain Rangka Alat Compact Heat Induction Press Menggunakan Metode Finite Element Analysis

2021 ◽  
Vol 5 (2) ◽  
pp. 83
Author(s):  
Ilham Taufik Maulana ◽  
Ahmad Zohari ◽  
Adik Susilo Wardoyo ◽  
Pilar Adhana Heryanto
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Safety Factor ◽  
Material Selection ◽  
Raw Materials ◽  
Selection Procedure ◽  
Machining Process ◽  
Element Analysis ◽  
Frame Design ◽  
Use Of Technology

<p><em>In manufacturing technology, accuracy, effectiveness, and efficiency are important factors because the use of technology is expected to maximize quality and quantity with existing resources. The manufacturing process is the process of making products starting with the selection of raw materials and the machining process following the design to suit the needs. In other words, design is the main thing before carrying out manufacturing activities. Meanwhile, in designing a machine, it is necessary to have a material selection procedure according to the application conditions. The strength of the material can be obtained by simulating it using the Finite Element Analysis (FEA) method. This simulation aims to determine the maximum safe load limit on the tool frame design. In this study, the design of the tool frame made was given 5 loading treatments, the minimum loading was 50kg and the maximum loading was 200kg. Based on the simulation results, the maximum safety factor occurs at 50 kg loading of 10,019 ul and the minimum safety factor occurs at 200 kg loading with a value of 3.60064 ul. Based on the analysis of the load given to the frame of the compact press and sintering tool that the designed tool is safe.</em></p>

scholarly journals Pengembangan Konsep Desain dan Fabrikasi Mesin Penyortir Buah Duku (Lansium Parasiticum)

2020 ◽  
Vol 4 (2) ◽  
pp. 91-102
Author(s):  
Satriawan Dini Hariyanto ◽  
Rela Adi Himarosa ◽  
Andreas Brian Aditya ◽  
Sandy Hidayat ◽  
Eko Sulistyo Wibowo ◽  
...  
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Yield Strength ◽  
Safety Factor ◽  
Step Method ◽  
Element Analysis ◽  
Strength Material

Pengembangan konsep desain mesin penyortir buah duku (Lansium Parasiticum) dilakukan menggunakan metode Five Step Method. Diperoleh tiga konsep mesin yang kemudian dipilih satu dari tiga konsep terbaik menggunakan metode product champion dilanjutkan dengan pembuatan desain 3D dan Finite Element Analysis (FEA) menggunakan software autodesk inventor 2017. Analisis FEA menunjukkan nilai von Misses stress sebesar 18 MPa bernilai lebih kecil dibanding yield strength material penyusun rangka sebesar 207 MPa, displacement yang terjadi sebesar 0,99 mm dengan nilai safety factor 15. Fabrikasi dan pengujian mesin menunjukkan nilai persentase keberhasilan proses penyortiran pada mesin lebih dari 85% dengan kapasitas sortir 400 kg/jam.

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