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Wahyudi Wahyudi
Prodi Pendidikan Fisika, FMIPA, Universitas Mataram, Jln. Majapahit No 62, Mataram, NTB, 83000
Astronomy Physics Other

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Derivatif radial Anomali Gravitasi untuk Identifikasi Zona Sesar Muhammad Zuhdi Ronodirdjo; Aris Doyan; Sutrio Sutrio; Wahyudi Wahyudi; Muh Makhrus
Kappa Journal Vol 3 No 2 (2019): Desember
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v3i2.1604

Abstract

Fault is a displacement of the land with a certain direction and shift that triggers an earthquake. The existence of faults that are not visible on the surface can be identified by measuring the gravity anomaly above the earth's surface around the fault zone. This study was conducted with the aim of testing the effectiveness of radial derivatives for identification of fault zones, i.e the presence and positions of faults. Radial derivative is a horizontal derivative of the earth's gravity anomaly value with the radial direction away from a certain point that is considered as the radial center. Gravity anomaly data used in this study is synthetic data from computer calculations using the principle of forward modeling from a fault model. This model is in the form of a displacement of the rocks making up the soil at a depth of 100 m with a vertical shift direction of 4 m with an area of the fault zone 600 m x 600 m or 360,000 m2. This synthetic gravity data is then performed a radial derivative treatment. The results of this study show that radial derivatives are able to identify the presence and position of the fault.
Pembelajaran Kreatif Berbasis Student Centered Learning Pada Elektronika Dasar I Melalui Model Problem Based Learning Muh Makhrus; Wahyudi Wahyudi
Kappa Journal Vol 4 No 1 (2020): Juni
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v4i1.1912

Abstract

This study aims to measure the ability of soft skills and hard skills of students after attending Elementary Electronics learning through creative learning based on student-cantered learning with problem-based learning models. Research subjects in this study were 25 students of the physics education program University of Mataram.  This type of research is a qualitative descriptive and assessment of the ability of soft skills and hard skills carried out by 2 observers based on the assessment of soft skills and hard skills assessment instruments when learning Elementary Electronics is ongoing. Based on the results of the study, learning Basic Electronics I based on student centered learning with problem based learning models combined with the use of livewire 1.1 Pro including learning that can increase student activity. This learning can increase student soft skills and hard skills up to 85% which is included in the very high categoryDOI: 10.29408/kpj.v4i1.1912
Co-Authors A.A. Ketut Agung Cahyawan W Muh. Makhrus Ronodirdjo, Muhammad Zuhdi