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All Journal Jurnal Fisika FLUX Kappa Journal Widyanatya: Jurnal Pendidikan Agama dan Seni
Artawan, I Nengah
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Penyelesaian Persamaan Schrodinger Tidak Bergantung Waktu Dengan Metode Finite Difference Widagda, I Gusti Agung; Artawan, I Nengah; Suharta, Wayan Gede; Antha Kasmawan, I Gde
Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat Vol 21, No 3 (2024): Jurnal Fisika Flux: Jurnal Ilmiah Fisika FMIPA Universitas Lambung Mangkurat
Publisher : Lambung Mangkurat University Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/flux.v21i3.19289

Abstract

The solution of time-independent Schrodinger equation (TISE) has been studied by several researchers. In this research, a TISE solution is found by using the finite difference method which is implemented in computer program code by using the Python language. TISE in the form of a second order differential equation is solved by using the finite difference method. In order to normalize the resulting wave function it is necessary to divide it by square root of the integral of the squared wave function. The integral method used is the Riemann method. In order to prove quantitatively that the TISE solution of the finite difference method is the same as or close to that of the analytical method, it is carried out by using linear regression and the z test. The research results show that the linear regression results from the two methods are nearly close. This is able to be seen from the values of  gradient (m), intercept (c) and coefficient of determination (R2) which are close to ideal values, namely, 1, 0 and 1, respectively. In addition, from the z test it is concluded that the null hypothesis H0 is accepted, which means the solution of finite difference method is equal to analytical solution by a confidence level of 95 percent.
Analisis Laju Dosis Radiasi di Area Ruang CT_Scan di Instalasi Radiologi RSU Bali Mandara Prameswari, Else Putri Ayu; Sutapa, Gusti Ngurah; Ayu Ratnawati, I Gusti Agung; Ratini, Ni Nyoman; Artawan, I Nengah; Trisnawati, Ni Luh Putu
Kappa Journal Vol 8 No 2 (2024): Agustus
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v8i2.25211

Abstract

Research has been carried out on radiation dose rate analysis in the CT-SCAN area of the radiology room at RSU Mandara Bali. The data used in this research is quantitative data observed from the radiation rate from the CT-SCAN aircraft. This study aims to determine the radiation dose rate in the radiology area and its rationalization based on regulations regarding radiation NBD (dose limit values) that apply to occupational safety and health. The research data is the actual radiation dose rate determined from the dose rate and calibration factors. The results of data calculations show that the highest dose rates are respectively at T2, 30 cm, 50 cm and 100 cm (door) with values of 1.95, 0.94 and 0.05 μSv/year, while the lowest dose rates are respectively at T4, 30 cm, 50 cm and 100 cm (waiting room) with values of 0.08, 0.06 and 0.05 μSv/year. The research results show that the dose rate at each measurement point is still considered safe for radiation workers where the NBD received is still below 20 μSv/year, while the dose rate is classified as safe for the general public at measuring distances of 50 cm and 100 cm, where the NBD received is below 1 μSv/year assuming the community concerned acts as a patient or patient's family with an interest in the radiology room area.
Analysis of Radiation Dose Received by Radiation Workers With Physical and Biological Dosimeters in The Radiology Unit of Sanjiwani Hospital Mas Janudinata, Gde Ari; Sutapa, Gusti Ngurah; Kasmawan, I Gde Antha; Made Suryatika, Ida Bagus; Artawan, I Nengah; Trisnawati, Ni Luh Putu
Kappa Journal Vol 9 No 1 (2025): April
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v9i1.29539

Abstract

This study aims to evaluate the impact of radiation exposure on the health of radiation workers at RSUD Sanjiwani Gianyar over the past five years. The evaluation was conducted through a physical approach, measuring radiation doses using Thermoluminescent Dosimeter (TLD), and a biological approach by analyzing the total leukocyte count and its components, namely neutrophils, lymphocytes, monocytes, and eosinophils. The results showed that the highest radiation dose was received by radiology specialists at 0.921 mSv, followed by medical physicists at 0.905 mSv, and radiographers at 0.894 mSv. This variation reflects differences in radiation exposure levels based on each profession's tasks and positions. Leukocyte and component analysis indicated that all values were within normal ranges. Although statistical tests showed significant differences in neutrophil levels between professions, overall radiation doses and leukocyte levels were within the safe limits set by PERKA BAPETEN No. 4 of 2013. The findings underline that radiation protection measures at RSUD Sanjiwani have been effective in minimizing health risks from radiation exposure. However, regular dose monitoring and health evaluations are necessary to ensure long-term protection for radiation workers.  
Analisis Perubahan Garis Pantai Menggunakan Citra Satelit Landsat 8 dengan Metode Linear Regression Rate di Wilayah Pesisir Kecamatan Kuta Purba, Selpia; Baskoro, Winardi Tjahyo; Gunawan, Tomy; Artawan, I Nengah; Putra Adnyana, I Gusti Agung; Sandi, I Nengah
Kappa Journal Vol 9 No 2 (2025): Agustus
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v9i2.29955

Abstract

Coastal areas are dynamic environments and are vulnerable to natural processes and human activities, making regular monitoring important for sustainable management. This study analyzes coastal changes along the Kuta coastal area, which includes Pantai Jerman, Kuta, Legian, and Seminyak, using Landsat 8 satellite imagery through the application of the NDWI analysis and the Linear Regression Rate (LRR) method over the period 2014–2022. The NDWI is derived using Band 3 (green) and Band 5 (near-infrared) to accurately classify the boundary between water and land. The LRR method is employed to calculate the trend of coastal line shifts from temporal data, yielding a detailed estimation of the coastal displacement rate. The study results indicate that the Kuta coastal area undergoes changes dominated by mild accretion, with an average coastal shift of 1.50 m/year, while mild erosion occurs at an average of 1.30 m/year. Overall, the coastal area experienced an accretion of 9.52 ha and an erosion of 4.55 ha.
AKTUALISASI TRADISI MEBUUG-BUUGAN SEBAGAI BENTENG BUDAYA DI DESA ADAT KEDONGANAN, KECAMATAN KUTA, KABUPATEN BADUNG Sudarsana, I Made; Prayitna Dewi, Ida Ayu Gede; Artawan, I Nengah
WIDYANATYA Vol. 1 No. 2 (2019): WIDYANATYA
Publisher : UNHI PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32795/w98ehs53

Abstract

The existence of traditional arts, has now become an image of regional culture and is able to have a dynamic impact on the community. The tradition that develops, and is grounded in an area certainly through a long journey process so that it becomes a system of habits that is carried out continuously. The formation of a similar perspective and associated with local mythology, is the initial foundation for an initiator and local genius to formulate his perspective in the traditional space. This shows that the role of tradition today, can be used as a barometer of wealth that has high investment in an area. The phenomenon of the emergence of tradition that has been marginalized for its existence, nowadays it is as if it will become a gem of high value and the emergence of the reconstruction of lost traditions. Particularly in the Adong Village of Kedonganan, Kuta District of Badung Regency, the Mebuug - buugan tradition has been reconstructed since 2014 ago. This tradition, which is left behind almost 60 years, is a game tradition using mud / buug in mangroves. The continuity of this tradition is able to elevate the local wisdom contained in it, especially in the Traditional Village of Kedonganan. Many philosophical contents and social values ​​can be implemented through this Mebuug buugan traditional media. The application of the Tri Hita Karana concept in the Mebuug Buugan tradition is very relevant to the efforts of the community to maintain a harmonious relationship or social interaction of the people and the ecology of the natural environment of the Mangrove.
Co-Authors Ayu Ratnawati, I Gusti Agung Baskoro, Winardi Tjahyo Gunawan, Tomy Gusti Ngurah Sutapa I Gde Antha Kasmawan I Made Sudarsana I Nengah Sandi Made Suryatika, Ida Bagus Mas Janudinata, Gde Ari Ni Nyoman, Ratini Prameswari, Else Putri Ayu Prayitna Dewi, Ida Ayu Purba, Selpia Putra Adnyana, I Gusti Agung Trisnawati, Ni Luh Putu Wayan Gede Suharta Widagda, I Gusti Agung