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All Journal Jurnal Fisika FLUX Indonesian Physical Review 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.
IMPLEMENTASI MINDFUL LEARNING DALAM KEGIATAN YOGA ASANA DI SMPN 02 BELITANG MULYA Kade Marini, Agung Ayu; Artawan, I Nengah; Putu Sari, Ida Ayu
WIDYANATYA Vol. 7 No. 2 (2025): Widyanatya: Pendidikan Agama dan Seni
Publisher : UNHI PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32795/1x0m7m72

Abstract

Remaja memiliki segudang permasalahan mentalnya sendiri, seperti yang dialami oleh beberapa siswa di SMPN 02 Belitang Mulya. Mulai dari tidak adanya minat belajar, kurang fokus, sering membuat kegaduhan, dan membolos. Ini menjadi pusat perhatian bagi Kepala Sekolah dan Guru Agama Hindu agar menciptakan pembelajaran yang berkesadaran dan mendalam. Maka dari itu, tercetuslah kegiatan yoga asana yang dilaksanakan setiap hari jumat secara berkala. Ternyata, kegiatan tersebut membawa dampak positif tidak hanya bagi siswa tetapi juga bagi guru mata pelajaran lainnya. Dilihat dari fisik yang semakin bugar, mental yang semakin sehat, dan adanya perubahan karakter lebih disiplin. Hal inilah kemudian menjadi daya tarik bagi peneliti untuk mengkaji lebih mendalam mindful learning yang diimplementasikan dalam kegiatan yoga asana di SMPN 02 Belitang Mulya. Penelitian ini merupakan penelitian deskriptif kualitatif yang ditungjang dengan data observasi, hasil wawancara, studi kepustakaan, dan studi dokumentasi. Kata Kunci: Implementasi Mindful, Learning, Yoga Asanas
ESTIMATION OF RADIATION DOSE AND ORGANS AT RISK (OAR) ON ABDOMINAL CT-SCAN USING SIZE-SPECIFIC DOSE ESTIMATES (SSDE) METHOD Sari, Kamelin Diah; Sutapa, Gusti Ngurah; Kasmawan, I Gde Antha; Sandi, I Nengah; Artawan, I Nengah; Trisnawati, Ni Luh Putu; Widiana, I Komang
Indonesian Physical Review Vol. 6 No. 3 (2023)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v6i3.265

Abstract

A study has been carried out on the estimation of radiation dose and Organs at Risk (OAR) on abdominal CT-Scan examination using the SSDE method. The data used in this study were secondary data from medical records such as CTDIVol, DLP, and abdominal images of patients. This study aims to determine the size of SSDE, DE, and DEOAR and to determine whether DE is still within tolerance limits to ensure the feasibility of using CT-Scans in these installations. The SSDE value is obtained by multiplying the converted def value (f) and the CTDIVol, while the DE value is obtained by multiplying the DLP value and the conversion factor (k), finally, the DEOAR value is obtained by multiplying the CTDIVol and the organ/tissue weight factor. The results showed that the patient's average SSDE score was 12.04 ± 1.06 mGy, with a male SSDE value of 12.55 ± 1.30 mGy and a female SSDE value of 12.38 ± 2.47. While the average patient DEOAR value obtained was 7.57 ± 0.72 mGy and the patient's average DEOAR value for skin and bone surface was 0.09 ± 0.01 and red bone marrow and large intestine was 1.06 ±0.13. The DE value of this study is still below the tolerance value set by BAPETEN, which is less than 17.46 mGy.
Pengaruh Variasi Suhu Sintering Terhadap Struktur Kristalin Hidroksiapatit Tulang Iga Sapi Murzid, Jihan Qothrunada; Suharta, Wayan Gede; Spardi, I Wayan; Suardana, Putu; Kasmawan, I Gde Antha; Artawan, I Nengah; Prajitno, Djoko Hadi
Kappa Journal Vol 7 No 2 (2023): Agustus
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v7i2.20840

Abstract

A study entitled " The Effect of Sintering Temperature Variations on the Crystalline Structure of Bovine Bone Hydroxyapatite" has been carried out. The aim of this research is to understand how the sintering temperature influences the hydroxyapatite lattice parameters and to understand how the sintering temperature influences the volume and density of hydroxyapatite. The synthesis process begins with a calcination at 300 °C for one hour, followed by a sintering process with varying temperatures, namely 600 °C, 700 °C and 800 °C for samples A, B and C, respectively. To determine the hydroxyapatite content in the samples, then characterization using XRD was carried out. XRD results analysis was carried out using match3 and Rietica software. Identification results using match3 software obtained the presence of hydroxyapatite compounds and impurity compounds in the form of (Calcium trimagnesium carbonate huntite, Fluorine, Magnesium Hydrogensulfate Hydrate, Sassolite, Zemannite). The volume fraction of hydroxyapatite obtained in this study ranged from 68.6 – 82.8%. The higher the sintering temperature, the greater the volume fraction of hydroxyapatite. The Refinement results show that the higher the sintering temperature, the smaller the value of the lattice parameters in the direction of the a and c axes. Variations in sintering temperature also affect the resulting unit cell volume and density. The higher the sintering temperature, the smaller the unit cell volume, conversely the greater the unit cell density value.
Co-Authors Ayu Ratnawati, I Gusti Agung Baskoro, Winardi Tjahyo Djoko Hadi Prajitno Gunawan, Tomy Gusti Ngurah Sutapa I Gde Antha Kasmawan I Made Sudarsana I Nengah Sandi Kade Marini, Agung Ayu Made Suryatika, Ida Bagus Mas Janudinata, Gde Ari Murzid, Jihan Qothrunada Ni Nyoman, Ratini Prameswari, Else Putri Ayu Prayitna Dewi, Ida Ayu Purba, Selpia Putra Adnyana, I Gusti Agung Putu Sari, Ida Ayu Sari, Kamelin Diah Spardi, I Wayan Trisnawati, Ni Luh Putu Wayan Gede Suharta Widagda, I Gusti Agung Widiana, I Komang