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UID:pretalx-amfc2026-BDKE8N@modelica.simtek.cc
DTSTART;TZID=CST:20260921T135000
DTEND;TZID=CST:20260921T141500
DESCRIPTION:While Modelica has become a standard for multi-domain modeling 
 in various complex engineering fields\, professional and systematic model 
 libraries specifically tailored for the nuclear power sector remain scarce
 . To bridge this gap\, this paper presents the development of a specialize
 d Modelica fluid component library for Small Modular Reactor (SMR) systems
 . Serving as a critical module within the broader CGN_NHR library\, this f
 ramework bridges the gap between fundamental fluid mechanisms\, equipment-
 level modeling\, and system-level assembly. We detail the library’s arch
 itecture\, design philosophy\, and the mathematical formulation of its cor
 e components. To verify its validity and reliability\, a systemlevel model
  was constructed and benchmarked against the industry-standard RELAP5 mode
 l. Comparative results confirm that the proposed library offers high effic
 iency and accuracy\, establishing a robust technical foundation for the ra
 pid design\, simulation\, and verification of nuclear power systems.
DTSTAMP:20261004T070643Z
LOCATION:Energy (R2002)
SUMMARY:A Modelica-based Fluid Library for Small Modular Reactors: Design a
 nd Verification - Sixin Liu\, Hao Hong\, Hong Lv
URL:https://modelica.simtek.cc/amfc2026/talk/BDKE8N/
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UID:pretalx-amfc2026-BGZSJF@modelica.simtek.cc
DTSTART;TZID=CST:20260921T141500
DTEND;TZID=CST:20260921T144000
DESCRIPTION:As the pivotal equipment connecting the primary and secondary l
 oops of pressurized water reactor nuclear power plants\, the dynamic therm
 o-hydraulic characteristics of the nuclear steam generator are directly re
 lated to the safe and stable operation of the unit. However\, traditional 
 modeling approaches suffer from poor versatility and low efficiency\, maki
 ng it difficult to meet the R&D demands for diverse application scenarios 
 and iterative optimization. Addressing these bottlenecks\, this paper prop
 oses a modular modeling and dynamic simulation method for nuclear steam ge
 nerators based on the Modelica language. First\, based on a hierarchical m
 odeling approach\, component-level models covering plena\, pipes\, heat st
 ructures\, steam-water separators\, and feedwater plena are constructed to
  achieve free configuration and visual simulation modeling. Second\, accor
 ding to the operating principles and structure of the nuclear steam genera
 tor\, a complete dynamic simulation model is assembled using these compone
 nt-level models. Finally\, the established model is validated against the 
 RELAP5 code to verify the effectiveness and reliability of the proposed me
 thod. The results indicate that the Modelica-based steam generator simulat
 ion model combines high accuracy with high efficiency\, providing signific
 ant technical support for the rapid design and verification of nuclear pow
 er systems.
DTSTAMP:20261004T070643Z
LOCATION:Energy (R2002)
SUMMARY:Research on Dynamic Simulation of Nuclear Power Steam Generator Bas
 ed on Modelica - Hao Hong\, Sixin Liu\, Hong Lv
URL:https://modelica.simtek.cc/amfc2026/talk/BGZSJF/
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UID:pretalx-amfc2026-PH3GHZ@modelica.simtek.cc
DTSTART;TZID=CST:20260922T135000
DTEND;TZID=CST:20260922T141500
DESCRIPTION:Integrated energy-system models become difficult to reuse when 
 electrical signals\, thermal-fluid states\, supervisory logic\, and evalua
 tion variables are coupled through inconsistent interfaces. This paper pre
 sents an OpenModelica platform with unit-explicit cross-domain connectors\
 , graphically encapsulated component models\, and a reusable library for r
 enewable generation\, conversion\, and storage. The thermal loop employs M
 odelica.Fluid ports and a temperature-dependent SolarSalt medium\, while t
 he wind and photovoltaic components expose available\, delivered\, and cur
 tailed power to support source-level curtailment feedback from the energy-
 management system. A DASSL-based workflow is applied to a full-year Dunhua
 ng case and complementary parameter-variation cases. The annual simulation
  maintains complete park electric-load supply\, achieves a heat-load satis
 faction rate of 90.16%\, and yields an electric LCOE of 0.307 CNY/kWh. Sta
 tevariable and sensitivity analyses indicate that renewablesource and batt
 ery sizing govern electrical absorption and economics\, whereas winter the
 rmal-storage availability and heat-side capacity constrain thermal reliabi
 lity. The platform therefore links reusable Modelica implementation with l
 ong-horizon system evaluation without requiring topology-specific reformul
 ation.
DTSTAMP:20261004T070643Z
LOCATION:Energy (R2002)
SUMMARY:Research on Modeling and Simulation of Integrated Energy System Pla
 tform Based on OpenModelica - Yuan Yao\, Xiaomeng Dong\, Hong Lv\, Hao Hon
 g\, Wenji Li
URL:https://modelica.simtek.cc/amfc2026/talk/PH3GHZ/
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