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Fadjar Purnomo
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Flood Model of Downstream Kali Lahar Using HECRAS Harifa, Ayisya Cindy; Purnomo, Fadjar; Sutikno, Sutikno
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 8, No 2 (2023): EDISI SEPTEMBER 2023
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33366/rekabuana.v8i2.5075

Abstract

Flooding that occurs in the area around Kali Lahar is a problem that always occurs when the rainy season. This research aims to find the causes of flooding in Kali Lahar, located on Jalan Letjen Sutoyo, Malang City, by considering the hydrological conditions in the Kali Lahar subwatershed. The data used in the analysis is rain data from the Sukun, Ciliwung, and Petungsewu stations, with the same data range between 2008 and 2020. There is also spatial data such as DEMNAS and river networks. The analysis is carried out by modeling floods with synthetic unit hydrographs, which are then modeled with HEC-RAS 1D and 2D software to determine whether the river can accommodate flood discharge with a return period of 10 years. The discharge produced by Unit Hydrograph Nakayasu was 134.25 m3/s. This discharge is modeled using HECRAS and produces water levels up to 1.5 m above the banks. Increasing the depth of the channel is an alternative solution for flooding in this area. The simulation results of the new dimension show no flooding in the area around the channel. The results of this research can contribute to the planning and arrangement of existing canals in Malang City so that they can prevent or reduce flooding that occurs.
Inovasi Pengelolaan Dana Sosial Keagamaan melalui Aplikasi Mobile ZIS: Studi Kasus Masjid Raya An-Nur: Innovation in Managing Religious Social Funds through a Mobile ZIS Application: A Case Study at Masjid Raya An-Nur Rozi, Imam Fahrur; Yunianto, Dika Rizky; Yunhasnawa, Yoppy; Purnomo, Fadjar; Amalia, Astrifidha Rahma; Arifin, Muh. Syamsul; Sholeh, Moch.; Viyus, Vinan; Hakim, Muhammad Ilham El
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 10 No. 12 (2025): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v10i12.10791

Abstract

The management of zakat, infaq, and sadaqah (ZIS) funds in many mosques is still carried out conventionally, leading to inefficiencies in collection, reporting, and distribution, as well as limited transparency and accountability. Masjid Raya An-Nur at Politeknik Negeri Malang, as a religious activity center, plays a strategic role in managing community funds. However, its manual system has hindered timely financial recording and reporting. The main challenges include limited access for donors to contribute online, slow verification processes, and a lack of transparency that may reduce public trust. To address these issues, this community service program developed and implemented an Android-based mobile application for ZIS management. The methodology involved a needs analysis through interviews and observations, system design utilizing REST API architecture with a Laravel back-end and MySQL database, and user training for both administrators and donors. The results indicate that the application successfully facilitates online donations, provides real-time reporting, and enhances donor participation through transparency features and digital reminders. Furthermore, the payment gateway integration enables more flexible and secure payment methods. Overall, the system has improved the efficiency, transparency, and accountability of ZIS management at Masjid Raya An-Nur, strengthened donor trust, and contributed to the digital transformation of religious social fund governance.
Co-Authors Abdullah, Fandi Agus Suhardono Amalia, Astrifidha Rahma Arifin, Muh. Syamsul Arindra, Anisa Putri Aritama Rochmawati Aryasatya, Ariel Asmalda, Irgidwianti Gris Ayu Hidayati, Zahwa Lintang Dandung Novianto Deni Putra Arystianto Deva Asa Diandra Dewi Garnis Pandji Dewi, Lingga Taslima Dewi, Ni Luh Gede Anjani Puspita DIAH AYU KURNIASARI, DIAH AYU KURNIASARI Diah Lydianingtias Dika Rizky Yunianto Dimas, Susdiyarto Djaelani, Muhammad Farhan Dlafin, Muhammad Ramzy Almas Erina Dwi Susanti Fikri Fiddin Jazuli Hakim, Muhammad Ilham El Hardianto Dwi Prayitno Herdika, Septian Rangga Imam Fahrur Rozi Indah Ria Riskiyah, Indah Ria Isnani Nur Rahma JOKO SETIONO Joko Setiono Krisdianti, Ayulia Dwi Kusuma, Indri Yunita Lestari, Elvina Moch. Khamim Moch. Sholeh, Moch. Nawir Rasidi P, Ferdi Razaq Pratama, Kiki Yudha Radhia Jatu Noviarsita Sakti Raharjo, Bobby Asukmajaya Ramadhan, Maulana Saadah, Runiatus Sarmada, Mochamad Hasan Siti Masriatur Rochma Sitti Safiatus Riskijah Styaningrum, Icha Wahyu SUDARMANTO Sugeng Riyanto Sugeng Riyanto Suhariyanto Suhartono Sumardi Suruuri, Alamanda Alifolia Susapto Suselo Utoyo Sutikno Sutikno Syahdian, Narendra Tutus Utami Retno Pudjowati Viyus, Vinan Wahiddin, Wahiddin Wahyu Tri Prambudi Widodo, Jauhara Muslum Firdausi Yoppy Yunhasnawa Yudha, Agung Retno