**4. Conclusions**

In the side crash simulation performed in the present study, the effects of the HPF center pillar with PW and PS on energy distribution and anti-intrusion resistance were investigated, and the following conclusions were obtained:


**Author Contributions:** Methodology, M.S.L.; writing—original draft, M.S.L.; writing—review and editing, M.S.L., C.K.J., and J.S.; software, M.S.L.; formal analysis, M.S.L.; investigation, O.D.L. and T.L.; funding, J.S.; validation and supervision: C.K.J. All authors have read and agreed to the published version of the manuscript.

**Funding:** This research was supported by the Ministry of Trade, Industry & Energy (20017450). This work was supported by the Energy technology development program (20206310200010, Advanced Remanufacturing of industrial machinery based on domestic CNC and building infrastructure for remanufacturing industry) funded By the Ministry of Trade, Industry & Energy (MOTIE, Korea).

**Data Availability Statement:** All datasets associated with this research are available upon request to the corresponding author.

**Conflicts of Interest:** The authors declare no conflict of interest.
