This research aims tostudydynamic and static conditionsaspect deposition of particles.Simulation applies Granular Dynamics model to describe contact forces simultaneously.The movement of particles forms a trajectory.The trajectory of particles resolved by Gear Predictor-Corrector method. Simulation involved a variation of thestandard deviation value of particle diversity in two dimensional simulation of polydisperse particles. The results of simulation areimages of deposition process for every time iteration until the pile of particles in static condition. Conclusion is the smaller standard deviation value, cause the greater angle of reposeof pile, and otherwise the greaterstandard deviation value, cause the smaller angle of repose of pile. So, the standard deviationsize diversity of particles is inversely proportional height and slope of forming pile structure.
Pada artikel ini dibahas model epidemi dengan laju kematian yang berbeda pada setiap subpopulasi. Di sini dilakukan analisis dinamik, yang meliputi analisis kestabilan lokal dan global pada titik kesetimbangan model. Kestabilan global ditentukan dengan memanfaatkan fungsi Lyapunov yang didefinisikan pada suatu domain di sekitar setiap titik kesetimbangan. Hasil analisis memperlihatkan terjadinya bifurkasi transkritikal dengan parameter bifurkasi berupa angka reproduksi dasar. Kata kunci: model epidemi SIRS, laju kematian beragam, analisis kestabilan titik kesetimbangan, fungsi Lyapunov, angka reproduksi dasar, bifurkasi transkritikal.
Pada artikel ini dibahas model epidemi dengan laju kematian yang berbeda pada setiap subpopulasi. Di sini dilakukan analisis dinamik, yang meliputi analisis kestabilan lokal dan global pada titik kesetimbangan model. Kestabilan global ditentukan dengan memanfaatkan fungsi Lyapunov yang didefinisikan pada suatu domain di sekitar setiap titik kesetimbangan. Hasil analisis memperlihatkan terjadinya bifurkasi transkritikal dengan parameter bifurkasi berupa angka reproduksi dasar. Kata kunci: model epidemi SIRS, laju kematian beragam, analisis kestabilan titik kesetimbangan, fungsi Lyapunov, angka reproduksi dasar, bifurkasi transkritikal.
Community service activities are carried out in the form of stunting socialization in Gadungan village with the aim of minimizing the high stunting rate in the community. The method used is Participatory Action Research (PAR) using a qualitative approach. from the data obtained by the Gadungan village community who experienced stunting as many as 114 toddlers under the age of 5 years. Factors that cause high stunting rates are the lack of assistance in child nutrition and an unhealthy lifestyle. besides that, it is also caused by marriage at an age that is not ideal so that there is no mental readiness in marriage. Keywords: socialization, stunting, healthy lifestyles
ABSTRAKLimbah bersumber dari berbagai aktivitas manusia diantaranya aktivitas rumah tangga, industri, perdagangan, pertanian, perkantoran, dan sisa pembangunan. Namun aktivitas yang paling banyak menyumbang limbah adalah aktivitas rumah tangga. Pengelolaan limbah rumah tangga di desa masih dilakukan secara tradisional yaitu melalui penimbunan pada lahan kosong. Umumnya masyarakat desa menggunakan cara pembakaran untuk mengatasi penumpukan limbah tersebut. Kegiatan pengabdian masyarakat ini bertujuan untuk menambah pengetahuan dan menumbuhkan kesadaran masyarakat untuk menjaga kelestarian lingkungan melalui pengelolaan limbah rumah tangga secara mandiri. Penyuluhan pengelolaan limbah rumah tangga di desa Kaliploso melibatkan 30 peserta. Penyajian materi diawali dengan memberikan stimulus terkait pengetahuan peserta terhadap limbah rumah tangga dan jenis-jenisnya, kemudian dilanjutkan penyajian materi dengan metode ceramah. Diskusi yang dilakukan setelah penyajian materi diikuti peserta dengan antusias dan menghasilkan ide baru tentang pengelolaan limbah rumah tangga secara mandiri. Hasil kegiatan ini meningkatkan pengetahuan masyarakat dengan tingkat pemahaman 100% (30 peserta) dan menumbuhkan kesadaran masyarakat yang dibuktikan dengan munculnya ide percontohan pelaksana pengelolaan limbah rumah tangga jenis anorganik sebanyak 43,33% (13 peserta). Kata kunci: pengelolaan; limbah rumah tangga; desa Kaliploso ABSTRACTWaste comes from human activities such as household activities, industries, commerce, agriculture, offices, and residual of construction. But the most contributing waste is household activities. Management of household solid waste in the village is using traditional methods, by piling up on vacant land. The villagers are burning to overcome the pile. This activity aims to increase knowledge and public awareness to protect the environment through household waste management independently. Education of household waste management in Kaliploso village involves 30 participants. Presentation began by providing stimulus related to participants knowledge of definition and types of household waste, then continued with educate about household waste. The discussion was attended by participants enthusiastically and it produced new ideas about self-management of household waste. The results of this activity increase public knowledge with an understanding level of 100% (30 participants) and raise public awareness as evidenced by the emergence of pilot ideas for implementing inorganic types of household waste management as much as 43.33% (13 participants). Keywords: management; household waste, Kaliploso village
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