KAJI NUMERIK DISTRIBUSI TEGANGAN, REGANGAN, DAN PERPINDAHAN BEJANA TEKAN STRIPPER DENGAN MENGGUNAKAN PERANGKAT LUNAK SOLIDWORKS

Mochammad Ihsan Ramadhan

Abstract


ABSTRAK

Bejana tekan adalah suatu peralatan yang digunakan untuk menampung fluida cair atau gas.fluida ini memberikan tekanan pada bejana yang dapat mengakibatkan bejana tidak dapat berfungsi seperti yang direncanakan. Tesis ini mengkaji distribusi tegangan, regangan, dan perpindahan bejana tekan stripper. Kajian dilakukan dengan perangkat lunak solidworks yang berbasis Metode Elemen Hingga. Pemodelan dilakukan dengan asumsi-asumsi bahwa bejana tekan stripper baru, material bejana tekan stripper bersifat linier, homogen, dan isotropik. Ruang lingkup penelitian terdiri dari preprocessor yaitu pemodelan benda atau alat yang akan dianalisa, penentuan jenis material, pemilihan tipe elemen, meshing, kondisi batas, dan juga beban. Kemudian dilanjutkan dengan processor dimana proses Metode Elemen Hinga berlangsung, dan diakhiri dengan postprocessor, dimana hasil hitungan ditampilkan secara visual dalam bentuk kontur tegangan, regangan, dan perpindahan. Berdasarkan hasil study solidworks simulation nilai distribusi tegangan yang dialami bejana tekan stripper adalah tegangan von Mises minimum = 4246,48 N/m2 dan tegangan von Mises maksimum sebesar = 2,46580 x 108 N/m2. Untuk nilai regangan di dapatkan nilai minimum = 2,58827 x 10-6, dan maksimumnya = 0,108049, serta nilai perpindahan minimum sebesar = 0 mm , dan maksimumnya sebesar = 192,527 mm. Factor of Safety (FOS) sebesar = 1,05. Konstruksi bejana tekan stripper PT. Pupuk Sriwijaya dapat dinyatakan aman karena nilai FOS > 1, dikarenakan tegangan von misses maksimum sebesar 2,46580 x 108 N/m2 lebih kecil dari kekuatan material bejana tekan stripper, yaitu 2,6 x 108 N/m2.

 

ABSTRACT

Pressure vessel is an equipment that used for fluid, liquid or gas. These fluids give pressure on vessel, so that result vessel can not function as planned. These thesis study the distribution of stresses, strains, and displacements on pressure vessel stripper. This study is performed by SOLIDWORKS, software-based finite element method. Modelling done by the assumptions that pressure vessels stripper is a new product,  material of pressure vessel stripper is linear, homogeneous, and isotropic. The scope of this study consists of a preprocessor that model an object that will be an analyzed, determination the type of material, the selection of element types, meshing, boundary conditions, and also the loads that recived by vessel. Then next to the processor where the numerical finite element method is to analize the modelling vessel, and the last is the postprocessor, the results is using displayed visually in the form of stresses contour, strains, and displacements. Based on a simulation study is postprocessor used SolidWorks, distribution of stresses of stress von Mises minimum value = 4246.48 N/m2 and maximum value of von Mises = 2.46580 x 108 N/m2. The smallest and largest strains are 2.58827 x 10-6 and  0.108049, the smallest and largest displacements are 0 mm and 192.527 mm. Factor of safety (FOS) is 1,05. Because of von Misses maximum 2.46580 x 108 N/m2 is less than strength of vessel stripper material that 2,6 x 108 N/m2 and FOS is 1,05 so that could be concluded that the vessel is safe to operate.


Keywords


Stress, Strain, Displacement, Numeric, pressure vessel stripper

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Jurnal Rekayasa Mesin
Jurusan Teknik Mesin, Fakultas Teknik, Universitas Sriwijaya
Jl. Srijaya Negara, Bukit Besar, Palembang-Sumatera Selatan
E-mail : jrm@ft.unsri.ac.id
Website : https://ejournal.unsri.ac.id/index.php/jrm

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