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Prof. Dr.

Tulus

Vor.Dipl.Math., M.Si., Ph.D.
Tulus

Prof. Dr. Tulus, Vor.Dipl.Math., M.Si., Ph.D.

Employee ID Number

196209011988031002

National Lecturer Registration Number

0001096202

Study Program
Program Studi S2 Matematika
Program Studi S3 Matematika
Program Studi S1 Matematika
Field Of Knowledge
Numerical Analysis
Finite Element Method
Fuzzy Logic
Positions
Professor
Research Media
Research Gate Google Scholar Sinta Scopus Orcid ID
Contacts:
E-mail

tulus@usu.ac.id, tulus@usu.ac.id

Office Address

USU Faculty of Mathematics and Natural Sciences

Curriculum Vitae file_download
Publications
Other Publications

National Publications

Copula-Based Blind Detection of Copy-Move Image Forgery: A Robust Mutual Information Approach

FIVI RAHMATUS SOFIYAH , TULUS , TULUS JOSEPH HERIANTO

Urban Farming Deteksi Keberadaan Serangga Rayap, Budikembar dan Hidroponik di Kota Medan-Sumut, Indonesia dan Penang, Malaysia

AMEILIA ZULIYANTI SIREGAR , TULUS , ZULKIFLI , NISMAH PANJAITAN

Edukasi Urban Farming Melalui Implementasi Hidroponik dan Budi kembar Meningkatkan Ketahanan Pangan dan Kesejahteraan Masyarakat di Medan Tuntungan, Sumatera Utara

NISMAH PANJAITAN , AMEILIA ZULIYANTI SIREGAR , TULUS , ZULKIFLI

Community service supports coffee cultivation and post-harvest in Hutabaringin Village, Sorik Marapi District, Madina

PUTRI CHANDRA AYU , AMEILIA ZULIYANTI SIREGAR , TULUS , FATIMAH

Empowerment of Groups of Society Through Creative Economy Production Convection and Sablon in SMPS PTPN 4 Dolok Ilir Simalungun

SURIATI , FREDDY SUTANTO , Rony Genevent Marpaung , Jonathan Liviera Marpaung , TULUS , TULUS JOSEPH HERIANTO

Empowerment of Groups of Society Through Creative Economy Production Convection and Sablon in SMPS PTPN 4 Dolok Ilir Simalungun

TULUS JOSEPH HERIANTO , SURIATI , TULUS , Rony Genevent Marpaung , Jonathan Liviera Marpaung

Realizing Inclusive Education in the Era of Industry 4.0: The Role of the PTPN IV Dolok Ilir School Website

TULUS , SURIATI , TULUS JOSEPH HERIANTO

Realizing Inclusive Education in the Era of Industry 4.0: The Role of the PTPN IV Dolok Ilir School Website

SURIATI , TULUS , TULUS JOSEPH HERIANTO

IMPROVED SUPPORT VECTOR MACHINE PERFORMANCE USING PARTICLE SWARM OPTIMIZATION IN CREDIT RISK CLASSIFICATION

ERNA BUDHIARTI NABABAN , TULUS

COMPARISON OF FEATURE SELECTION TO PERFORMANCE IMPROVEMENT OF K-NEAREST NEIGHBOR ALGORITHM IN DATA CLASSIFICATION

TULUS , POLTAK SIHOMBING

STRATEGI PENINGKATAN PEMERINGKATAN UNIVERSITAS SUMATERA UTARA

RAHMAWATY , TULUS , TAMRIN

Pelatihan pengolahan kopi tepat guna menjadi makanan dan minuman aneka rasa dan warna

TULUS , AMEILIA ZULIYANTI SIREGAR , ELISA JULIANTI

THE CYCLE LENGTH OF SPARSE REGULAR GRAPH

TULUS , SAIB SUWILO

IMPLEMENTATION OF EXTENDED FINITE ELEMENT METHOD IN CRACK PROPAGATION OF CONCRETE

TULUS , MUHAMMAD ROMI SYAHPUTRA

Structuring the Greening of Tourism Areas Developing the" Sweembath" Naga Sopa Tourism Village Realizes Community Welfare

AMLYS SYAHPUTRA SILALAHI , HARIADI SUSILO , DARDANILA , SAIB SUWILO , TULUS , MARUF TAFSIN , PENI PATRIANI , FARIDA ARIANI

Pengolahan Soja sp. "Rumah Tempe USU" tepat guna mendukung ketahanan pangan di Sumatera Utara

AMEILIA ZULIYANTI SIREGAR , TULUS

Penggunaan Pestisida Nabati Mengendalikan Hama-Hama Padi Merah (Oryza nivara L.) Di Dusun Soporaru, Tapanuli Utara, Sumatera Utara

KEMALA SARI LUBIS , AMEILIA ZULIYANTI SIREGAR , TULUS

Penggunaan pestisida nabati mengendalikan hama-hama padi merah (Oryza nivara L.) di Dusun Soporaru, Tapanuli Utara, Sumatera Utara

AMEILIA ZULIYANTI SIREGAR , KEMALA SARI LUBIS , TULUS

Arrangement of Beauty in the Sweembath Tourism Environment to Achieve Community Welfare

TUGIMAN , HARIADI SUSILO , DARDANILA , EVA SARTINI BAYU , AMLYS SYAHPUTRA SILALAHI , MARUF TAFSIN , TULUS , FARIDA ARIANI , SAIB SUWILO

Increasing the Brand Image of the Sweembath Tourism Area Towards a Tourism Village in Naga Sopa Village, Bandar Huluan District, Simalungun Regency

TULUS , HARIADI SUSILO , DARDANILA , ANAS MARUF , EVA SARTINI BAYU , TUGIMAN , PENI PATRIANI

Pemberdayaan petani dalam meningkatkan produktivitas beras merah silotik di DesaTanjung Dolok, Tapanuli Selatan, Sumatera Utara

KEMALA SARI LUBIS , TULUS , AMEILIA ZULIYANTI SIREGAR , HARYATI

Paving Block and Canopy Development of "Sweembath" Tourism Village Realizing Community Welfare

AMLYS SYAHPUTRA SILALAHI , FARIDA ARIANI , HARIADI SUSILO , DARDANILA , SAIB SUWILO , TULUS , MARUF TAFSIN , PENI PATRIANI

Models in active learning in schools

MUHAMMAD ROMI SYAHPUTRA , SAWALUDDIN , TULUS , TULUS JOSEPH HERIANTO

Aneka keripik tempe bergizi dan tepat guna mendukung kedaulatan pangan

AMEILIA ZULIYANTI SIREGAR , TULUS

Application of Cassava Slicer Machine and Oil Dryer Machine in Micro Enterprises at Simalungun District

TULUS , FARIDA ARIANI , HARIADI SUSILO , MARUF TAFSIN , TUGIMAN , EVA SARTINI BAYU

Developing Red Chilli Downstream Business in Simalungun District

HARIADI SUSILO , EVA SARTINI BAYU , MARUF TAFSIN , TULUS , FARIDA ARIANI , TUGIMAN

Pemanfaatan tanaman atraktan mengendalikan hama keong mas padi

TULUS , KEMALA SARI LUBIS , AMEILIA ZULIYANTI SIREGAR

Pemanfaatan tanaman atraktan mengendalikan hama keong mas padi

TULUS , AMEILIA ZULIYANTI SIREGAR

Penerapan Metode Entropy dan Metode Promethee dalam Merangking Kualitas Getah Karet

ANGGI SYAHADAT HARAHAP , ERNA BUDHIARTI NABABAN , TULUS

International Publications

Secure Data Encryption in Energy Production and Management Systems: Integrating Chaos Bifurcation and Polynomial High Order Fibonacci for Enhanced Cybersecurity

Kiki Ariyanti , TULUS , SYAFRIZAL SY , RINOVIA MERY GARNIERITA S.

Ambulance integration model in smart city for health services

RAFIQA DEWI , TULUS , Muhammad Zarlis

An Optimization Model for Integrated Warehouse-Inventory-Transportation of a Multi-Echelon Supply Chain

HERMAN MAWENGKANG , MUHAMMAD ZARLIS , TULUS , ANIL HAKIM SYOFRA

Discrete optimization model for multi-product multi-supplier vehicle routing problem with relaxed time window

MULIAWAN FIRDAUS , HERMAN MAWENGKANG , TULUS

Biomedical Simulation of Non-Newtonian Fluid Dynamics in Cardiovascular Systems: A Finite Volume Method Approach to Pulsatile Flow and Atherosclerosis Analysis

SURIATI , TULUS

Biomedical Simulation of Non-Newtonian Fluid Dynamics in Cardiovascular Systems: A Finite Volume Method Approach to Pulsatile Flow and Atherosclerosis Analysis

TULUS , TULUS JOSEPH HERIANTO , YAN BATARA PUTRA SIRINGORINGO , M.R. Rasani , Md Mustafizur Rahman , Suriati , Jonathan Liviera Marpaung

Hidden Markov model to provide coordination relationship for learning behavior development in the era of industrial reform

TULUS

Combination of penalty function and gradient projection method in relaxed MIQQP-convex

TULUS

The analysis of rock armor's resistance to sea waves using finite element

TULUS

Mathematical Study Simulating Hydroelectric Power as a Renewable Green Energy Alternative

MUHAMMAD ROMI SYAHPUTRA , TULUS , TULUS JOSEPH HERIANTO

Distance antimagic labeling of circulant graphs

Kiki Ariyanti , RINOVIA MERY GARNIERITA S. , TULUS , CHRISTYAN TAMARO NADEAK , SYAFRIZAL SY

Fibonacci Noise Modification on Data Encryption

Kiki Ariyanti , SYAFRIZAL SY , RINOVIA MERY GARNIERITA S. , TULUS

Hidden Markov Model to Optimize Coordination Relationship for Learning Behaviour

TULUS

Improving data security with the utilization of matrix columnar transposition techniques

SYAFRIZAL SY , Jonathan Liviera Marpaung , TULUS , RINOVIA MERY GARNIERITA S. , Kiki Ariyanti

Improving data security with the utilization of matrix columnar transposition techniques

TULUS , Jonathan Liviera Marpaung , RINOVIA MERY GARNIERITA S. , Kiki Ariyanti , SYAFRIZAL SY

Optimization Model for Outpatient Services Capacity Management in Different Patient Conditions and Diseases

TULUS

Computational Assessment of Wave Stability Against Submerged Permeable Breakwaters: A Hybrid Finite Element Method Approach

TULUS

Heat transfer in non-Newtonian fluid

TULUS

Data-Driven optimization approach to health care management planning

TULUS

A binary programming model for logistics problems with multi-suppliers and relaxed time windows

MULIAWAN FIRDAUS , TULUS

A constrained based approach for solving the multi-period single sourcing problem

HERMAN MAWENGKANG , TULUS , OPIM SALIM SITOMPUL

A sustainable forest planning model with water allocation optimization for power plant

TULUS

Optimization Model of Integrated Sustainable Forest Management Planning for Hydropower Power Plant

TULUS

Computational Analysis for Dam Stability Against Water Flow Pressure

TULUS , TULUS JOSEPH HERIANTO

Computational analysis dynamics fluid of flow in dam using COMSOL Multiphysics

SAWALUDDIN , TULUS

Training for Making a Portable Gas Container in Taduken Raga Biogas Group Sinembah Tanjung Gilir Subdistrict Deli Serdang Regency

NURZAINAH GINTING , TULUS , ZUHRINA MASYITHAH

Analysis Number Sense of Students in Different Level using Decision Theory

TULUS , Rissa Isabella Marpaung , TULUS JOSEPH HERIANTO

Inventory insects of sorghum plantation in Northern Sumatera, Indonesia

AMEILIA ZULIYANTI SIREGAR , YUNILAS , TULUS

Utilization of botanical pesticide as rice pests control of in Soporaru Village, North of Tapanuli, Indonesia

TULUS , KEMALA SARI LUBIS , AMEILIA ZULIYANTI SIREGAR

The Opportunity of lemongrass, zinger and turmeric supported development of export products in North of Sumatera, Indonesia

TULUS , KEMALA SARI LUBIS , HIMMA DEWIYANA LUBIS , AMEILIA ZULIYANTI SIREGAR

Analysis Optimization K-Nearest Neighbor Algorithm with Certainty Factor in Determining Student Career

NUNSINA , TULUS

Stability Analysis in Three Dimensions for the Incompressible Navier-Stokes Equation

TULUS JOSEPH HERIANTO , TULUS , MUHAMMAD ROMI SYAHPUTRA

Stability analysis of heartbeat system with lyapunov’s direct method

MUHAMMAD ROMI SYAHPUTRA , TULUS , TULUS JOSEPH HERIANTO

Three dimensional model of Snake-Type wavemakers using linear wave theory

MARDININGSIH , TULUS