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All Journal ALSYS : Jurnal Keislaman dan Ilmu Pendidikan Jurnal Kendali Teknik dan Sains
Muhammad Lubis Abdillah
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Efisiensi Program Unggulan (Tahfidh, Kitab dan Bahasa) di Pondok Pesantren Salafiyah Hamalatul Qur'an Jogoroto Jombang Muhammad Lubis Abdillah; Wahyudi Wahyudi
ALSYS Vol 6 No 1 (2026): ALSYS: Jurnal Keislaman dan Ilmu Pendidikan
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/alsys.v6i1.8360

Abstract

This study was motivated by the importance of efficiency in the implementation of the flagship programs Tahfidh, Kitab, and Language at Pondok Pesantren Salafiyah Hamalatul Qur’an Jogoroto Jombang as an effort to produce high-quality and competitive santri in the modern era. The study aimed to analyze the level of efficiency in program implementation, identify supporting and inhibiting factors, and examine the quality of learning, the intensity of activities, the appropriateness of learning levels, and the structured use of time. A qualitative approach was employed through observation, in-depth interviews, and document analysis. The findings indicate that the flagship programs of Tahfidh, Kitab, and Language run relatively efficiently, supported by a well-planned curriculum, students’ discipline, and effective time management. Nevertheless, implementation efficiency remains constrained by the limited number of teaching staff and supporting facilities. The study concludes that, although program efficiency has generally been achieved, improving both the quality and quantity of resources is still urgently needed to ensure the sustainability and continuous enhancement of program quality. The implications of this research provide an empirical basis for the evaluation and further development of the pesantren’s flagship programs.
Analisis Kegagalan Struktur Crosspiece pada Mesin Cuci Front Loading Berdasarkan Simulasi Finitte Element Analysis (FEA) Achmad Ilham Prabowo; Muhammad Lubis Abdillah; Elisa Sulistyorini
Jurnal Kendali Teknik dan Sains Vol. 4 No. 3 (2026): Juli Jurnal Kendali Teknik dan Sains
Publisher : International Forum of Researchers and Lecturers

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/jkts-widyakarya.v4i3.6428

Abstract

The crosspiece (spider arm) is a critical component of a front-loading washing machine that connects the drum and shaft while supporting dynamic loads during washing and spinning. Continuous exposure to centrifugal forces, unbalanced loads, and cyclic stresses may cause fatigue failure. This study analyzes the structural performance and fatigue behavior of an ADC12 aluminum alloy crosspiece through numerical simulation and experimental testing. Finite Element Analysis (FEA) was used to evaluate stress distribution, strain, deformation, and safety factors under spinning conditions, while fatigue analysis estimated component service life. Hardness testing was also conducted after aging and chemical treatments to assess changes in material properties. The results showed a maximum Von Mises stress of 72.40 MPa at the hub-arm junction, with maximum strain and deformation of 56.50 × 10⁻⁶ and 3.58 × 10⁻³ mm, respectively. The minimum safety factor was 3.87, indicating safe structural performance. Fatigue analysis predicted a service life of approximately 5 × 10⁶ cycles, with the crosspiece arm as the most critical region. The highest hardness, 158 HRB, was obtained after 70 hours of aging combined with chemical treatment. Overall, the design meets structural safety requirements but remains susceptible to fatigue failure at the hub-arm junction.
Co-Authors Achmad Ilham Prabowo Sulistyorini, Elisa Wahyudi Wahyudi