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All Journal Jurnal Teknik Sipil Jurnal SOLMA ORBITA: Jurnal Pendidikan dan Ilmu Fisika Physics Communication Jurnal Pengabdian kepada Masyarakat Nusantara Journal of Physical Activity and Sports (JPAS) Teknika Sains : Jurnal Ilmu Teknik Jurnal Riset Rumpun Matematika dan Ilmu Pengetahuan Alam (JURRIMIPA) Jurnal Riptek Jurnal Pengabdian Kolaborasi dan Inovasi IPTEKS Lencana: Jurnal Inovasi Ilmu Pendidikan Jurnal Teknik Sipil Unpand
Diah Aryati P.L
Program Studi Teknik Sipil, Universitas Semarang, Jawa Tengah, Indonesia
Agriculture, Biological Sciences & Forestry Arts Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Languange, Linguistic, Communication & Media Mathematics Mechanical Engineering Physics Public Health Social Sciences Transportation Other

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Conductivity of Groundwater In Semarang City Pinandita, Satria; Puji Lestari, Diah Aryati; Purwanti, Hani
Physics Communication Vol 3, No 2 (2019): August 2019
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v0i0.25580

Abstract

Semarang is the capital of Central Java Province and is the most developed city in Java island. This city is one of the most important cities in the north coast of Java. Most of Semarang’s landscape consists of lowland areas that become floodplain of the large rivers that flow through the city. Water is not only used for drinking but also for other necessities such as bathing, washing, agricultural and industrial needs, electricity generation, etc. The objective of this study was to determine the conductivity value of groundwater from several locations in Semarang as the conductor of electricity. This study used groundwater samples from seven locations in Semarang. The tests conducted including TDS (Total Dissolved Solid) test by inserting TDS meter into the water and recorded the value after 3 seconds of observation. The conductivity test was done by water electrolysis using a buzzer circuit. The test was conducted by inserting the electrode into the water for 3 seconds, then observed the buzzer sounding (soft or loud). Afterward, the water temperature was recorded using the thermometer. Results of this study showed the different water conductivity of groundwater collected from different locations. The lowest conductivity was obtained from S-1 sample with TDS value of 50 ppm, while the highest conductivity was obtained from S-7 sample with TDS value of 549 ppm. The higher the TDS and temperature value, the higher the electrical conductivity. 
EFEKTIVITAS TRACKER VIDEO ANALYSIS DALAM PRAKTIKUM FISIKA UNTUK MENENTUKAN PERCEPATAN GRAVITASI Iryan Dwi Handayani; Fahrudin Ahmad; Diah Aryati P.L
ORBITA: Jurnal Kajian, Inovasi dan Aplikasi Pendidikan Fisika Vol 8, No 2 (2022): November
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (496.716 KB) | DOI: 10.31764/orbita.v8i2.10766

Abstract

ABSTRAKFisika adalah ilmu dasar yang digunakan untuk membahas kejadian alam di sekitar kita. Fenomena buah yang jatuh selalu jatuh ke bawah merupakan salah satu kejadian karena adanya gravitasi bumi. Tarikan gravitasi bumi pada bulan dapat dipandang sebagai interaksi antara medan gravitasi bumi di lokasi bulan dengan masssa bulan. Pembelajaran di era pandemi seperti sekarang ini banyak dilakukan secara online, sehingga praktikum secara langsung baik di laboratorium ataupun tidak akan susah dilaksanakan. Saat ini terdapat software Tracker yang memungkinkan siswa untuk melakukan penelitian dalam hal kinematika secara komprehensif. Software ini melalui metode analisis video tentang kejadian kejadian alam terutama yang berhubungan dengan kelajuan, kecepatan, percepatan, gaya, medan gravitasi, konversi dan konservasi energi Dengan tracker video analysis bisa digunakan untuk alternatif penyelesaian masalah praktikum non laboratorium secara mandiri. Praktikum fisika ayunan sederhana direkam video, kemudian video yang dihasilkan di analisis dengan menggunakan Video tracker analysis.Dengan panjang tali 83,7 cm dan dimasukkan dalam rumusan . Dengan mengubah-ubah panjang tali, maka diperoleh nilai rata-rata perceptan grafitasi adalah 9,98 m/s2. Setelah mendapatkan nilai gravitasi dari percobaan yang dilakukan mahasiswa, kemudian peneliti menganalisis efektivittas analisis menggunakan video tracker ini. Data diperoleh dengan menggunakan angket dan hasil yang diperoleh dari 30 sampel yang diambil dengan menggunakan 5 pertanyaan tentang keefektifan penggunaan video tracker analyisis, diperoleh 83,83%, sehingganpenggunan VTA ini efektif untuk proses perkuliahan terutama praktikum fisika. Kata kunci: tracker video analysisis; gravitasi. ABSTRACTPhysics is the basic science used to discuss natural events around us. The phenomenon of falling fruit always falling down is one of the events due to the earth's gravity. The gravitational pull of the earth on the moon can be viewed as the interaction between the earth's gravitational field at the location of the moon and the mass of the moon. Learning in the current pandemic era is mostly done online, so hands-on practicum either in the laboratory or in the laboratory will not be difficult to carry out. Currently there is Tracker software that allows students to conduct research in terms of kinematics comprehensively. This software uses video analysis methods about natural events, especially those related to speed, velocity, acceleration, force, gravitational field, energy conversion and conservation. With a video analysis tracker, it can be used as an alternative to solving non-laboratory practicum problems independently. The simple swing physics practicum is recorded on video, then the resulting video is analyzed using Video tracker analysis. With a rope length of 83.7 cm and put in the formula . By varying the length of the rope, the average value of the gravitational perception is 9.98 m/s2. After getting the gravity value from experiments conducted by students, the researchers then analyzed the effectiveness of the analysis using this video tracker. Data was obtained using a questionnaire and the results obtained from 30 samples were taken using 5 questions about the effectiveness of using video tracker analysis, obtained 83.83%, so that the use of VTA is effective for the lecture process, especially physics practicum. Keywords: tracker video analysisis; gravitasi.
PEMANFAATAN REMOTE SENSING DALAM UPAYA PEMANTAUAN PERUBAHAN LAHAN DI PUSAT KOTA SEMARANG Septa Yudha Ardiansyah; Diah Aryati Puji Lestari
Jurnal Riptek Vol 13, No 1 (2019)
Publisher : Badan Perencanaan Pembangunan Daerah Kota Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (6855.934 KB) | DOI: 10.35475/riptek.v13i1.49

Abstract

Changes in the flow of globalization that is happening in the world are unavoidable. Various kinds of effects caused one of which is urbanization. urbanization that occurs not only in units of time but a long period of time. One indicator of the occurrence of urbanization is by marking the activity of land changes on earth. In identifying land-use changes that occur in an area, an in-depth study approach is needed, one of which is an approach using Remote Sensing. The purpose of this study is to provide a picture of a condition of land-use change activities that occur due to urbanization in the city center from time to time for 5 years. One method used is Spatial Quantitative with the Unsupervised Classification analysis method. Based on the analysis of land use through the Unsupervised Classification approach, it was found that the District of North Semarang in the past 5 years had the highest changes in land use in the Semarang City Center BWK I, II, III, amounting to 21%. The second biggest land change is West Semarang District 18% and Gajahmungkur District 13%. After identification and verification, land changes that occur are from non-developed land to be built. Types of existing built land include warehousing facilities, aviation transportation facilities, educational facilities, and settlements.
Analisa Efisiensi Alat Pendingin Bermesin Dual Energi Untuk Penanganan Pasca Panen Satria Pinandita; Supari Supari; Diah Aryati Puji Lestari; Andhy Tri Adriyanto; Jonathan Anugrah Lase
TEKNIKA SAINS Vol 8, No 1 (2023): TEKNIKA SAINS
Publisher : Universitas Sang Bumi Ruwa Jurai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24967/teksis.v8i1.2132

Abstract

Energi listrik dikatakan sebagai kebutuhan pokok bagi masyarakat pada zaman globalisasi sekarang. Akan tetapi tingkat kebutuhan Energi listrik masyarakat yang semakin tinggi ini nampaknya menimbulkan berbagai permasalahan baru seperti efisiensi biaya tagihan listrik. Pada penelitian ini bertujuan menganalisa efisiensi generator flywheel dual energi berbeban. Alat dan bahan yang dibutuhkan dalam penelitian ini : 2 buah Generator 1kW, Motor listrik 3 phase 1 Hp, Inverter 220 V To 380 V, Automatic Transfer Switch (ATS), Flywheel 60 Kg, Fanbelt, dan Pulley. Hasil dari penelitian ini yaitu pembangkit dual energi terdiri dari motor listrik sebagai penggerak dengan spesifikasi daya 1 HP, tegangan 380 V, arus 2 A, dan kecepatan putaran 1390 rpm,  flywheel yang berfungsi sebagai penyimpanan energi dengan massa 60 kg dan diameter 50 cm dan generator berfungsi sebagai penghasil energi listrik dengan spesifikasi  daya 1 kW, tegangan 220 volt, arus 4,8 A, dan kecepatan putaran 2890 rpm. Generator dapat menghasilkan tegangan sesuai spesifik 226 volt dengan menggunakan diameter pulley pada flywheel sebesar 50 cm. Selain itu, generator dapat menghasilkan momen inersia sebesar 7,5 Kg m2. Daya yang dapat dihasilkan generator dalam kondisi stabil atau tidak ada perubahan adalah sebesar 2.990 Watt atau 2,9 kW dengan efisiensi dari generator dual energi sebesar 20%, dengan beban.
Pengaruh Latihan Senam Aerobik Terhadap Saturasi Oksigen Pada Ibu-Ibu Usia 40-60 Tahun Nurcahyo, Andi; Lestari, Diah Aryati Puji; Mahardika, Vera
Journal of Physical Activity and Sports (JPAS) Vol. 5 No. 1 (2024)
Publisher : YLPK Mahardhika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53869/jpas.v5i1.207

Abstract

The purpose of this study was to analyze the level of mastery of the basic skills of playing volleyball in students of the Physical Education study program class of 2022 at PGRI Adi Buana University, Surabaya. The basic skills of playing volleyball include the basic techniques of passing, blocking, serving, and smashing. The research method uses a quantitative descriptive, the number of samples is 80 students of the Physical Education study program class of 2022 class C and D. The research location of the Adi Buana PGRI University Surabaya campus, data collection techniques through observation, and quantitative descriptive data analysis techniques. The results showed that students who were given basic volleyball playing activities without a net showed better mastery of basic volleyball skills, where the average score was 70. The conclusion of this study is that mastery of the basic skills of playing volleyball can be improved by playing volleyball without a net.
PENGAPLIKASIAN AUTOCAD 2020 UNTUK MENGGAMBAR DENAH, TAMPAK DAN POTONGAN BAGI SISWA – SISWI SMK NEGERI 2 KENDAL Mahardika, Vera; Puji Lestari, Diah Aryati; Nurcahyo, Andi
Jurnal Pengabdian Kolaborasi dan Inovasi IPTEKS Vol. 2 No. 6 (2024): Desember
Publisher : CV. Alina

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59407/jpki2.v2i6.1660

Abstract

Pengabdian kepada masyarakat (PkM) ini bertujuan untuk meningkatkan pemahaman dan keterampilan peserta dalam menggunakan perangkat lunak desain berbasis Computer-Aided Design (CAD) melalui pelatihan yang dilaksanakan di SMK Negeri 2 Kendal bekerja sama dengan PT. Adhi Konsultan Utama. Metode kegiatan mencakup pre-test, penyampaian materi, praktik langsung, post-test, dan kuisioner kepuasan mitra. Indikator keberhasilan diukur berdasarkan peningkatan hasil pre-test dan post-test serta kepuasan peserta. Hasil kegiatan menunjukkan adanya peningkatan pemahaman peserta sebesar 5,50%, dengan rata-rata skor pre-test 63,50% menjadi 69,00% pada post-test. Selain itu, hasil kuisioner menunjukkan tingkat kepuasan mitra sebesar 61,45% sangat puas, 39,20% puas, dan 5,53% cukup puas. Hasil ini mengindikasikan bahwa kegiatan PkM berhasil meningkatkan kompetensi peserta dan memberikan dampak positif pada kepuasan mitra. Kata Kunci: Computer Aided Design (CAD), Autocad
Analisis Percepatan Gravitasi pada Ayunan Sederhana dengan Memanfaatkan PhET (Physics Education Technology) Diah Aryati Puji Lestari; Andi Nurcahyo; Iryan Dwi Handayani
JURNAL RISET RUMPUN MATEMATIKA DAN ILMU PENGETAHUAN ALAM Vol. 3 No. 2 (2024): Oktober : Jurnal Riset Rumpun Matematika dan Ilmu Pengetahuan Alam
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurrimipa.v3i2.4598

Abstract

Physics is a part of natural science that has the properties of processes, products and values. Most of the concepts of physics are formulas, but they can be tested through experiments. Along with technological developments in experiments often used technology-based aids, for example the use of PhET (Physics Education Technology) applications to determine gravitational acceleration through simple swivel arrangements. The simple rotation experiment was performed by giving variations in rope lengths of 50 cm, 60 cm, 70 cm, 80 cm, 90 cm, and 100 cm for each of the different bulk masses of 0.5 kg and 1 kg. The study aims to determine the value of gravitational acceleration in simple rotations using PhET applications. (Physics Education Technology). Research data is displayed in tables and graphs. The data analysis uses a linear regression equation between the length of the string (L) and the square of the period (T2). Large gravitational acceleration is obtained through the gradient of the linear equation of the longness of the rope (L). The magnitude of gravitational acceleration obtained for a 0.5 kg body mass was 9.50 m/s2, for a 1 kg body weight was 9.67 m /s2, and the average perception of gravity was 9.58 m / s2.
Pengaplikasian Metoda AHP Untuk Pemeliharaan Saluran Drainase di Kelurahan Lamper Lor Kota Semarang Sulistyowati, Sulistyowati; Puji Lestari, Diah Aryati; Nurcahyo, Andi; Tri Haryono, AR. Hanung
Jurnal Pengabdian kepada Masyarakat Nusantara Vol. 6 No. 3 (2025): Edisi Juli - September
Publisher : Lembaga Dongan Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55338/jpkmn.v6i3.6508

Abstract

Kelurahan Lamper Lor yang terletak di Tengah Kota Semarang serta wilayahnya dilewati oleh 2 buah Sungai memiliki program pemeliharaan saluran drainase berkala. Bapak Kepala Kelurahan menyampaikan bahwa terdapat dana untuk perbaikan atau pemeliharaan, dan selama ini mereka telah menggunakan sistim penilaian untuk membuat daftar prioritas saluran dari yang paling mendesak untuk diperbaiki ke yang tidak terlalu mendesak untuk diperbaiki. Dalam wawancara dengan Kepala Kelurahan, masih terdapat ketidaktepatan sasaran dalam hal prioritas pemeliharaan, misalnya ketidaktepatan dalam pemilihan saluran mana terlebih dahulu yang harus ditangani, sehingga menyebabkan air tidak mengalir dengan baik. Kegiatan pengabdian kepada Masyarakat ini akan memberikan alternatif metoda prioritas saluran drainase melalui metoda Analytical Hierarchy Process (AHP). Bentuk dari pengabdian kepada Masyarakat ini adalah pelatihan dengan mengundang warga. Setelah pelatihan dilaksanakan, warga bisa membuat prioritas program pemeliharaan saluran drainase di Kelurahan Lamper Lor. Dengan diaplikasikannya metoda AHP ini diharapkan dana yang ada untuk pemeliharaan bisa lebih efektif dan tepat sasaran.
PREDICTION OF ROAD SECTION LENGTH WITH LIGHT DAMAGE AND ANALYSIS OF INFLUENCING FACTORS: A CASE STUDY IN JAWA TENGAH USING LINEAR REGRESSION Sulistyowati; Puji Lestari, Dyah Aryati; Mahardika, Vera
JUTSU : Jurnal Teknik Sipil Unpand Vol. 2 No. 1 (2025): JUTSU : Jurnal Teknik Sipil Unpand
Publisher : Program Studi Teknik Sipil Universitas Pandanaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69796/3bc2fz67

Abstract

Road maintenance planning can be optimized by identifying the road’s performance in the next period. Bina Marga Jawa Tengah, who is responsible for roads and bridges performance in the province of Jawa Tengah releases data containing every road section’s condition status along with the length of each section, Annual Average Daily Traffic volume with the volume of each type of vehicle that passed on every road section. The data also contains every section type of pavement along with the length of each type of pavement on every road section. Using this secondary data, this research aimed to predict the length of 83 road sections that fell into the category of Light Damage from 2019 to 2024, the predictions are for 2025 and 2026. The projections are 53.04 KM and 47.88 KM for 2025 and 2026, respectively. The investigation of the most influencing factor in the ‘Light Damage’ road category could not perform very well as we lack the schedule and type of maintenance data. The lack of such data yielded a very low R2 (mostly less than 0.3) as the lack of such data made the existing data irrelevant.
Pemanfaatan Media Sains Jembatan Kayu Sebagai Sarana Character-Building Remaja Kelurahan Lamper Lor, Semarang Sulistyowati, Sulistyowati; Diah Aryati Puji Lestari; Andi Nurcahyo; Markus Nanang Irawan Budi Susilo
Jurnal SOLMA Vol. 15 No. 1 (2026)
Publisher : Universitas Muhammadiyah Prof. DR. Hamka (UHAMKA Press)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/solma.v15i1.22686

Abstract

Background: Masa remaja merupakan fase penting dalam pembentukan karakter, tetapi keterlibatan remaja dalam kegiatan sosial di lingkungan Kelurahan Lamper Lor masih rendah. Tujuan: Kegiatan pengabdian kepada masyarakat ini bertujuan meningkatkan kesadaran, kepedulian, dan keterlibatan remaja melalui pelatihan character-building berbasis pembuatan jembatan kayu dari stik es krim. Metode: Kegiatan dilaksanakan dengan pendekatan partisipatif dan edukatif pada remaja usia 13–18 tahun di Kelurahan Lamper Lor, Semarang, dengan melibatkan orang tua. Tahapan kegiatan meliputi pre-test, penyampaian materi, praktik kelompok membuat jembatan kayu, diskusi, post-test, dan pengisian kuesioner kepuasan mitra. Hasil: Hasil kegiatan menunjukkan adanya peningkatan jawaban benar sebesar 32% pada post-test, tingginya antusiasme peserta, serta munculnya komitmen remaja untuk kembali aktif dalam kegiatan Karang Taruna. Kesimpulan: Secara umum, pelatihan ini menunjukkan bahwa media sains sederhana dapat digunakan sebagai sarana pembentukan karakter dan penguatan keterlibatan sosial remaja di lingkungan kelurahan.
Co-Authors Andhy Tri Adriyanto Andi Nurcahyo Fahrudin Ahmad Handayani, Iryan Dwi Hani Purwanti Jonathan Anugrah Lase Mahardika, Vera Markus Nanang Irawan Budi Susilo Nurcahyo, Andi Satria Pinandita Satria Pinandita Septa Yudha Ardiansyah Son Haji Sulistyowati Sulistyowati Sulistyowati Sulistyowati Sulistyowati Supari Supari, Supari Sutik Tri Haryono, AR. Hanung