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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

NUPTK

8233740641130073

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

Students' interest in school Al-Kautsar Al Akbar Medan supported food security in Northern Sumatera, Indonesia

TULUS , AMEILIA ZULIYANTI SIREGAR

Landscape Governance and Multi-Stakeholder Approaches in the Tropics

TULUS , ELVINA HERAWATI

Numerical Simulation of Effective Viscosity Distribution of Power Law Engine Oil in Piston–Cylinder Lubrication Under High Shear Conditions

TULUS , ANDRE RONALDO SITUMORANG

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

A Mathematical Approach to Dampening Sea Waves Using Submerged Permeable Breakwater

JOHNY MARPAUNG , TULUS , PARAPAT GULTOM

A Mathematical Approach to Dampening Sea Waves Using Submerged Permeable Breakwater

TULUS , Jonathan Liviera Marpaung , PARAPAT GULTOM

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

The Environmental Impact of Palm Oil: Introduction for Students of Tasmania University, Australia

ESTHER SORTA MAULI NABABAN , DIANA CHALIL , HASANUDDIN , RUDY SOFYAN , TULUS , RIANTRI BR BARUS

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

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

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

Aneka keripik tempe bergizi dan tepat guna mendukung kedaulatan pangan

AMEILIA ZULIYANTI SIREGAR , TULUS

Developing Red Chilli Downstream Business in Simalungun District

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

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

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

JONATHAN LIVIERA MARPAUNG , TULUS , SYAFRIZAL SY , RINOVIA MERY GARNIERITA S. , SURIATI , Kiki Ariyanti

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.

A Novel Real-Time Dynamic DEA Approach for Decision Support Under Uncertain and Evolving Operational Conditions

JAMALUDDIN , SYAHRIL EFENDI , POLTAK SIHOMBING , TULUS

Ambulance integration model in smart city for health services

RAFIQA DEWI , TULUS , Muhammad Zarlis

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

SURIATI , TULUS

Computational analysis of stability of wave propagation against submerged permeable breakwater using boundary element method

PARAPAT GULTOM , Jonathan Liviera Marpaung , TULUS

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

TULUS

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

TULUS

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

TULUS

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

SOLVING POLYNOMIAL PROGRAMS VIA CONVEX QUADRATIC REFORMULATION WITH ITERATIVE FACTORIZATION METHOD

ELVINA HERAWATI , SAWALUDDIN , TULUS

Hidden Markov Model to Optimize Coordination Relationship for Learning Behaviour

TULUS

SOLVING POLYNOMIAL PROGRAMS VIA CONVEX QUADRATIC REFORMULATION WITH ITERATIVE FACTORIZATION METHOD

ELVINA HERAWATI , SAWALUDDIN , 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

Dynamic Analysis of Rumor Spreading Models in Social Networks with Time Delay

TULUS , SUTARMAN , ELVINA HERAWATI

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 sustainable forest planning model with water allocation optimization for power plant

TULUS

Heat transfer in non-Newtonian fluid

TULUS

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

TULUS

Computational analysis dynamics fluid of flow in dam using COMSOL Multiphysics

SAWALUDDIN , TULUS

Inventory insects of sorghum plantation in Northern Sumatera, Indonesia

AMEILIA ZULIYANTI SIREGAR , YUNILAS , TULUS

Development of The Steepest Descent Method for Unconstrained Optimization of Nonlinear Function

TULUS , ELVINA HERAWATI

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

Potential tempe product of Universitas Sumatra Utara in supporting food security in North of Sumatera, Indonesia

LIANA DWI SRI HASTUTI , AMEILIA ZULIYANTI SIREGAR , TULUS

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

NUNSINA , TULUS

Comparative Analysis of Backpropagation with Learning Vector Quantization (LVQ) to Predict Rainfall

IVAN JAYA , JOS TIMANTA TARIGAN , SRI MELVANI HARDI , TULUS

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

MARDININGSIH , TULUS