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Journal : Mesin

OPTIMASI NUMERIK STRUKTUR GONG UNTUK MEMPEROLEH RASIO FREKUENSI PRIBADI TERTENTU Suweca, I Wayan; Cahyono, Eko
Mesin Vol 21, No 2 (2006)
Publisher : Mesin

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Abstract

The sound quality of a gong is influenced by its dynamic characteristics (its structural eigenmode). By controlling natural frequency ratio of the gong to a certain value, we can expect to obtain the optimum gong design. The subject of the present research is to establish an analysis of the application of design optimization in obtaining an optimum gong design. The optimum gong is defined as a gong that has a certain natural frequency ratio. The natural frequency ratio adopted in this reseach is based on those of English bell [1]. The Sequential Unconstrained Minimization Techniques from Ansys 5.4 is used to perform the optimization process. The design optimization method has been successfully applied on the optimization of the gong. The results obtained from the three case studies show that the most sensitive part of the gong is at its around free end. This indicates that in manufacturing gong, this part must be carefully treated.
Co-Authors A.A. Ketut Agung Cahyawan W AA Sudharmawan, AA Agus Turambi Ainol Yaqin, Ainol Anita Puji Astutik Aprelia Martina Tomasoa, Aprelia Martina Ari Wibowo Azzahwa, Sarah Baeruma, Apriani Onisye Bayu Wijayantini, Bayu Biahimo, Syahputra Bilqis, Dewi Shofya Dewanto, Didit Kustantio Elly Purwanti Ely John Karimela Farid Kamal Muzaki Frans Gruber Ijong Frets Jonas Rieuwpassa Gusman, Erry Hardman Budiardjo, Hardman Hasanah, Enung Hidayat, Subhan I Wayan Suweca If'all, If'all Imron, Ach Zaeni Jaka Frianto Putra Palawe Janis, Ronaldo Ferdinan Kasaluhe, Meityn Kendek, Tasya Jenifel Kundiman, Gita Artika Putri Kurniasih, Hendi Lawendatu, Angryani Enjel Lawendatu, Angryani Enjela Maalua, Sheyla Mahihody, Astri Mahihody, Astri Juwita Makisake, Nadia Arlina Maliode, Yunita Isabela Mandalika, Ervina Dian Mandeno, Jefri Anthonius Mandiangan, Meyrijean Meityn Disye Kasaluhe Melongkade, Regina Juliana Muzakki, Nurul Nashrullah, Muhammad Pandu Novalina Maya Sari Ansar Obyn Imhart Pumpente Palijama, Martje Leninda Pande Made Kutanegara Pramardika, Dhito Dwi Prastitianti, Desy Rorong, Miranda Salele, Meylan Joiske Saputri, Tasya Indah Septania Takasiaheng Serlina, Annisa Siegfried Berhimpon Somba, Vira Valentine Sukirman Sukirman Sulistyanto, Sulistyanto Syamsiar, Syamsiar Tampany, Ighen Tampi, Regina Romalya Meilan Tanod, Wendy Tawakkal, Refer Iqbal Tengkue, Fiorenza Puspa Indah Tengkue, Florenza Puspa Indah Tillah, Mardha Tinungki, Maria Notosari Tondais, Jumardi Toni Herlambang Turambi, Agus Wahyu Prihanta Wendy Alexander Tanod Wodi, Stevy Imelda Wodi, Stevy Imelda Murniati Yana Sambeka Yanis, Saifulah